Izunagaoka Onsen Ikonaso

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed This is a plan that you can enjoy according to your travel style, whether it's after work, post-sightseeing, or dining out at Numazu Port! Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed The highly popular and recommended standard plan at Ikonasou is now even more affordable! For those wondering what to do with unexpected free time right before a holiday! [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious stone sauna featuring a bed made of Mikage stone heated to 39°C–42°C with hot spring water, embedded Bad Gastein stones on the floor, and humidity of 68%–75% maintained using hot spring water passed through Hokutolite. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Highly popular Ikonaso's recommended and affordable standard plan. [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed This is a plan that you can enjoy according to your travel style, whether it's after work, post-sightseeing, or dining out at Numazu Port! Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed The highly popular and recommended standard plan at Ikonasou is now even more affordable! For those wondering what to do with unexpected free time right before a holiday! [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious stone sauna featuring a bed made of Mikage stone heated to 39°C–42°C with hot spring water, embedded Bad Gastein stones on the floor, and humidity of 68%–75% maintained using hot spring water passed through Hokutolite. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Highly popular Ikonaso's recommended and affordable standard plan. [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed This is a plan that you can enjoy according to your travel style, whether it's after work, post-sightseeing, or dining out at Numazu Port! Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed The highly popular and recommended standard plan at Ikonasou is now even more affordable! For those wondering what to do with unexpected free time right before a holiday! [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious stone sauna featuring a bed made of Mikage stone heated to 39°C–42°C with hot spring water, embedded Bad Gastein stones on the floor, and humidity of 68%–75% maintained using hot spring water passed through Hokutolite. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Highly popular Ikonaso's recommended and affordable standard plan. [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed This is a plan that you can enjoy according to your travel style, whether it's after work, post-sightseeing, or dining out at Numazu Port! Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed The highly popular and recommended standard plan at Ikonasou is now even more affordable! For those wondering what to do with unexpected free time right before a holiday! [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious stone sauna featuring a bed made of Mikage stone heated to 39°C–42°C with hot spring water, embedded Bad Gastein stones on the floor, and humidity of 68%–75% maintained using hot spring water passed through Hokutolite. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Highly popular Ikonaso's recommended and affordable standard plan. [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed This is a plan that you can enjoy according to your travel style, whether it's after work, post-sightseeing, or dining out at Numazu Port! Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed The highly popular and recommended standard plan at Ikonasou is now even more affordable! For those wondering what to do with unexpected free time right before a holiday! [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious stone sauna featuring a bed made of Mikage stone heated to 39°C–42°C with hot spring water, embedded Bad Gastein stones on the floor, and humidity of 68%–75% maintained using hot spring water passed through Hokutolite. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Highly popular Ikonaso's recommended and affordable standard plan. [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Please note that for this plan, a 100% cancellation fee will apply regardless of the reason once your reservation is confirmed This is a plan that you can enjoy according to your travel style, whether it's after work, post-sightseeing, or dining out at Numazu Port! Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.

Highly popular Ikonaso's recommended and affordable standard plan. [Dinner]Seasonal half tea ceremony cuisine that changes monthly. Appetizer, hors d'oeuvre, sashimi, simmered dish, grilled dish, warm dish, side dish, fruit, meal/soup/pickles. Meals will be prepared in the dining area. Hot Spring Information Introducing the famous Bad Gastein stone from Austria, known as the "Miracle Stone that Brings Health," into the open-air baths and large public bath! [Large public bath]6:00–24:00 [Free private bath]6:00–24:00 ・Two private baths are available. Both can be used without reservation and as many times as you'd like. ・Rooms with open-air baths (limited to 7 rooms on the 1st floor) feature 100% natural hot spring water! Service Information Guests wishing to use the bedrock bath can enjoy it free of charge at the main location of Kōbō-no-Yu or at Nagaoka (sister location). A luxurious radium bedrock bath featuring granite beds warmed to 39°C–42°C with hot spring water, Bad Gastein stones embedded in the floor, and humidity adjusted to 68%–75% using Hokutolite-treated hot spring water. [Additional Dishes] For dishes exclusive to reservations, please indicate the dish name and quantity at the time of reservation. Assorted Snacks - 1,500 yen Grilled Squid over Charcoal - 2,000 yen Grilled Shiitake Mushrooms over Charcoal - 1,500 yen Scallops grilled with butter - 1,500 yen Charcoal-grilled beef tongue - 2,500 yen Stone-grilled steak - 3,000 yen Fried chicken - 900 yen Simmered golden eye snapper - 3,500 yen Steamed abalone with sake - 1,800 yen Ise lobster sashimi - 4,000 yen Abalone sashimi - 1,800 yen Sashimi Boat Platter (Serves 2–3) ¥6,000 Sashimi boat platter (serves 4–6) 12,000 yen. *Due to system changes, starting from stays on April 1, 2026 (Reiwa 8), the hot spring tax (150 yen per person per night) will no longer be included in the accommodation fee and will be charged separately at checkout. Furthermore, children below elementary school age are exempt from taxation.