
Take a dip in the directly sourced 100% natural hot spring!




Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] You have an early outing in the morning or want to sleep until the last minute... This is a recommended plan for customers who have no appetite in the morning! Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] Rakuten Travel Summer SALE is on now! The standard plan with one night and two meals is specially discounted Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] This is a recommended standard plan with one-night accommodation and two meals, perfect for customers unsure about which plan to choose. Dinner features a seasonal banquet cuisine course lavishly prepared with carefully selected local ingredients. Breakfast will be a traditional Japanese meal set featuring the renowned 'Akita Komachi' rice. Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Comfort Japanese-western room, Mountain view, Non-smoking ((33 square meters / Simmons bed) [33 square meters])




Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] You have an early outing in the morning or want to sleep until the last minute... This is a recommended plan for customers who have no appetite in the morning! Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] Rakuten Travel Summer SALE is on now! The standard plan with one night and two meals is specially discounted Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] Dinner features seasonal banquet cuisine crafted with seasonal ingredients, Breakfast includes a Japanese set meal with a salad bar. = Menu = ・Fresh fish sashimi ・Roast beef salad style ・Jellied eel ・Simmered Oga whelk ・Junsai hot pot with Hinai chicken - Tempura of Seasonal Fish ・Seasonal fish sushi ・Chilled Chawanmushi ・Nishiki spinach noodles - Others: pickles, dessert Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! Experience an exceptional sauna that warms you to the core while gazing at the majestic nature of Akita Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] * Dinner: 18:00-20:30 (last entry at 19:30, last order at 20:00) * Breakfast: 07:30-9:00 (may be in two sessions starting at 7:00 or 8:00) ) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the affiliated facility "Aoni Sanso," connected via a corridor (stairs in between).
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Superior Japanese-western room, Mountain view, Non-smoking ((34 square meters / Simmons bed))




Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] Rakuten Travel Summer SALE is on now! The standard plan with one night and two meals is specially discounted Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] You have an early outing in the morning or want to sleep until the last minute... This is a recommended plan for customers who have no appetite in the morning! Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.

Free cancellation until 7/23/2026 11:59 p.m.(JST)
[Plan contents] This is a recommended standard plan with one-night accommodation and two meals, perfect for customers unsure about which plan to choose. Dinner features a seasonal banquet cuisine course lavishly prepared with carefully selected local ingredients. Breakfast will be a traditional Japanese meal set featuring the renowned 'Akita Komachi' rice. Top 3 Recommended Points of Cerulean Resort AONI ・Outdoor hot spring renovation in August 2024! Enjoy natural hot springs with skin-beautifying metasilicic acid in an open-air bath ・Complete room renovation by April 2024! All rooms have been transformed into Japanese-Western style rooms with beds. ・Outdoor sauna debut in January 2025! An exceptional sauna experience to warm you from the core while gazing at Akita's magnificent nature. Exclusive Benefits for Guests at Cerulean Resort AONI ・Happiness after the hot spring! Complimentary ice cream after bathing (NEW in 2026/7) ・Table tennis corner: 1 hour free ・Welcome drink service ・Discounted entry to the private bath at the adjacent sister inn "Aoni Sanso"! ・Free use of the observatory room [Notes regarding meals] Dinner 18:00-20:30 (Last entry 19:30, last order 20:00) Breakfast 07:30-09:00 (May be divided into two sessions starting at 7:00 or 8:00) Operating hours may change due to various circumstances. Guests arriving after the designated serving time may not be served meals. If you expect to arrive late, please consult us in advance. Meals for guests under elementary school age will be provided as children's meals. Meal contents may vary depending on the season. [About the Bath] ・Outdoor Large Bath: 15:00-24:00, Next Day: 5:00-9:00 ・Private Bath: 15:00-23:00, Next Day: 6:00-9:00 (Reservation required after check-in, additional fee applies) The private bath is located within the sister facility "Aoni Sanso," connected via a covered walkway (stairs present along the way) Surrounding Information ・Tazawa Lake Ski Resort...5 minutes by car / Shuttle service available only during ski season: "(Drop-off) 9:00" "(Pickup) 16:00" one round trip ・Akita Komagatake...10 minutes by car ・Tazawa Lake / Gozaishiki Shrine...20 minutes by car ・Dakigaeri Gorge...30 minutes by car ・Kakunodate Samurai Residences...40 minutes by car ・Hachimantai Kagaminuma (Dragon Eye)...80 minutes by car
Consumption tax (from 10/1/2019) (Per person per night) 10%
Bathing tax (from 4/1/1950) (Per person per night)¥150
* Excluded taxes and fees are approximated and may vary based on the property. They will be collected at the property at the time of check-in or check-out.
Executive Japanese-western room, Mountain view, Non-smoking (Executive (76 square meters / Simmons Bed) [76 square meters])