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Ryokan

Iwamuro Onsen Menmentei Wataya

Niigata City, Niigata, Japan
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Heal yourself with a dip in our dual source hot springs! Special benefits when booking! Free gifts of Niigata Koshihikari rice and admission tickets to Dairo-no-Yu hot springs!

Guest review score

Very Good
Reviews: 58
4.2

Access

Maki Station
14 min drive
Yahiko Station
14 min drive
Iwamuro Station
14 min drive

Property facilities

  • Parking lot
  • Vending machine
  • Shop
  • Banquet hall
  • Open-air bath (hot spring)
  • Karaoke room

Explore our rooms and plans

Price (low to high)
3 room types
Tahokan guest room
Smoking
1 x Futon
Max 7 adults / 6 children
Room facilities
  • Bath and toilet available
  • Wi-Fi in room (free)
  • Tenjinkan guest room
    Only 3 rooms left!
    Free cancellation until Feb 25
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $242.05
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    Homemade Koshihikari rice, fresh treasures from the Sea of Japan, and indulgence in hot springs♪ [Breakfast] [Dinner]

    Free cancellation until 2/25/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This is a plan with perks♪ Available for use by two or more guests. ■Rakuten Travel Reservation Benefits■ Welcome drink ■Dinner■ The dinner for this plan, 'Wataya Gozen,' is carefully prepared using fresh seafood from the Sea of Japan. We use rice and vegetables organically grown in our own farm. ▽ Sample Menu ▽ ・Appetizer: Niigata Prefecture's locally sourced rock seaweed ・Starter: A three-item assortment of seasonal dishes and fresh seafood ・Sashimi: A selection of three seasonal seafood items sourced from the local Maze fishing port. ・Main dish: Domestic Japanese magnolia leaf grilled with homemade miso ・Grilled dish: Whole grilled rockfish marinated with premium sake ・Fried dish: Deep-fried local pufferfish ・Steamed Dish: Chawanmushi (savory egg custard) ・Soup: Clear soup with fresh seaweed - Seasonal rice cooked in a pot ・Dessert: Fresh caramel pudding ※The menu may change depending on the season. ※Meals are usually served in the dining hall, but can be changed to a private room for an additional 2,000 yen (excluding tax) per person. (Please inform us when making a reservation.However, depending on the reservation status on the day, we may not be able to accommodate your request.) You can choose from the times 18:00, 18:30, or 19:00. ■Breakfast■ This is a gentle Japanese meal using rice and vegetables organically grown in our own farm. You can choose from the times 7:30 or 8:00. ■ Hot Springs ■ Wataya no Yu combines the source water of Iwamuro Onsen with the third source of 'Dairo no Yu,' which is close to human body temperature and offers high relaxation effects, and uses it as a free-flowing hot spring. A rare mixed hot spring even within Niigata Prefecture, this is a natural hot spring (100% natural) that you can only experience here. ■Information■ Check-in from 15:00 to check-out at 10:00 ■ Sister facility 'Tabo Onsen Dairo no Yu' ■ At the day-use onsen 'Tabo Onsen Dairo no Yu,' you can enjoy the rare bliss of soaking in three spring sources—100% natural, non-filtered, and generously free-flowing hot spring water!Route 1, which boasts one of the largest total sulfur levels in the prefecture, is used for the "large garden open-air bath of about 50 tatami mats", and the sulfur scent is a hot spring ( * ́艸') Line 2's hot spring source is used for indoor baths, offering water rich in alkaline ions that is very gentle on the skin.With particularly high sulfate ions, it softens dead skin cells and revives smooth, moist, and radiant skin.

    Rakuten Special OfferFlash Coupon
    $242.05
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    2/25/2026 11:59 p.m. (JST)
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    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.

  • Observation bath indoor bath
    Only 3 rooms left!
    Free cancellation until Feb 25
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $287.37
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [Chef's Recommended Plan] ★Fresh Seafood from the Sea of Japan★ Nodoguro & Domestic Wagyu Beef [Breakfast] [Dinner]

    Free cancellation until 2/25/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan comes with a special bonus♪ Fresh seafood from the Sea of Japan! Nodoguro♪ Plus 4 kinds of sashimi! This is a proud dish that our head chef has prepared, with seasonal vegetables from carefully selected Niigata ingredients and fresh seafood! We are sure you will be satisfied♪ ■Reservation Bonus■ This is a great deal plan that includes a free ticket to our sister hotel's ``Day Spa, Dairo no Yu''♪ If you wish, we will also give you a free ticket valid only on the day of check-in! ■Dinner■ The dinner for this plan will be a kaiseki course recommended by the head chef. ※The photo of the food is an example. ※The meal is usually served at the venue, but you can change to a private room for 2,000 yen (excluding tax) per person. (Please request this when making your reservation. However, we may not be able to accommodate your request depending on the reservation situation on the day). You can choose from 18:00, 18:30, or 19:00. ■Breakfast■ A healthy Japanese meal made with organically grown rice and vegetables from our own farm. You can choose between 7:30 and 8:00. ■Hot Springs■ Wataya no Yu is made by mixing the Iwamuro Onsen hot spring with Dairo no Yu No. 3 spring, which is close to human skin and has a high relaxation effect, and using it as a free-flowing hot spring. This is a rare mixed spring even in Niigata Prefecture, and it is the only place you can enter (100% natural hot spring). ■Information■ Check-in 15:00 - check-out 10:00 ■Sister hotel "Taho Onsen Dairo no Yu"■ Taho Onsen Dairo no Yu is a very rare day-trip hot spring where you can bathe in three hot springs. It is a natural artesian hot spring, 100% natural, unfiltered, and has a large amount of free-flowing water. The real pleasure is blissful happiness! Source No. 1, which boasts one of the highest total sulfur contents in the prefecture, is used for the "Large Garden Open-Air Bath of about 50 tatami mats," and the sulfur-scented bath is truly a hot spring ( *´艸`) Source No. 2 is used for the indoor bath, and is rich in alkaline ions, making it very gentle on the skin. It is especially high in sulfate ions, which softens the keratin and revives the skin with fine, moisturized skin. Source No. 3 is used for the open-air rock bath and open-air waterfall bath, and is a hot spring with ingredients similar to those found in the human body.

    Rakuten Special OfferFlash Coupon
    $287.37
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    2/25/2026 11:59 p.m. (JST)
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    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.

Room details

Standard Japanese room, Smoking (Smoking-allowed Japanese-style room)

Smoking
1 x Futon
Max 7 adults / 6 children
Room facilities
  • Bath and toilet available
  • Wi-Fi in room (free)
Tahokan guest room
No smoking
1 x Futon
Max 7 adults / 6 children
Room facilities
  • Bath and toilet available
  • Wi-Fi in room (free)
  • Tenjinkan guest room
    Only 3 rooms left!
    Free cancellation until Feb 25
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $242.05
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    Homemade Koshihikari rice, fresh treasures from the Sea of Japan, and indulgence in hot springs♪ [Breakfast] [Dinner]

    Free cancellation until 2/25/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This is a plan with perks♪ Available for use by two or more guests. ■Rakuten Travel Reservation Benefits■ Welcome drink ■Dinner■ The dinner for this plan, 'Wataya Gozen,' is carefully prepared using fresh seafood from the Sea of Japan. We use rice and vegetables organically grown in our own farm. ▽ Sample Menu ▽ ・Appetizer: Niigata Prefecture's locally sourced rock seaweed ・Starter: A three-item assortment of seasonal dishes and fresh seafood ・Sashimi: A selection of three seasonal seafood items sourced from the local Maze fishing port. ・Main dish: Domestic Japanese magnolia leaf grilled with homemade miso ・Grilled dish: Whole grilled rockfish marinated with premium sake ・Fried dish: Deep-fried local pufferfish ・Steamed Dish: Chawanmushi (savory egg custard) ・Soup: Clear soup with fresh seaweed - Seasonal rice cooked in a pot ・Dessert: Fresh caramel pudding ※The menu may change depending on the season. ※Meals are usually served in the dining hall, but can be changed to a private room for an additional 2,000 yen (excluding tax) per person. (Please inform us when making a reservation.However, depending on the reservation status on the day, we may not be able to accommodate your request.) You can choose from the times 18:00, 18:30, or 19:00. ■Breakfast■ This is a gentle Japanese meal using rice and vegetables organically grown in our own farm. You can choose from the times 7:30 or 8:00. ■ Hot Springs ■ Wataya no Yu combines the source water of Iwamuro Onsen with the third source of 'Dairo no Yu,' which is close to human body temperature and offers high relaxation effects, and uses it as a free-flowing hot spring. A rare mixed hot spring even within Niigata Prefecture, this is a natural hot spring (100% natural) that you can only experience here. ■Information■ Check-in from 15:00 to check-out at 10:00 ■ Sister facility 'Tabo Onsen Dairo no Yu' ■ At the day-use onsen 'Tabo Onsen Dairo no Yu,' you can enjoy the rare bliss of soaking in three spring sources—100% natural, non-filtered, and generously free-flowing hot spring water!Route 1, which boasts one of the largest total sulfur levels in the prefecture, is used for the "large garden open-air bath of about 50 tatami mats", and the sulfur scent is a hot spring ( * ́艸') Line 2's hot spring source is used for indoor baths, offering water rich in alkaline ions that is very gentle on the skin.With particularly high sulfate ions, it softens dead skin cells and revives smooth, moist, and radiant skin.

    Rakuten Special OfferFlash Coupon
    $242.05
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    2/25/2026 11:59 p.m. (JST)
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    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.

  • Observation bath indoor bath
    Only 3 rooms left!
    Free cancellation until Feb 25
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $287.37
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [Chef's Recommended Plan] ★Fresh Seafood from the Sea of Japan★ Nodoguro & Domestic Wagyu Beef [Breakfast] [Dinner]

    Free cancellation until 2/25/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan comes with a special bonus♪ Fresh seafood from the Sea of Japan! Nodoguro♪ Plus 4 kinds of sashimi! This is a proud dish that our head chef has prepared, with seasonal vegetables from carefully selected Niigata ingredients and fresh seafood! We are sure you will be satisfied♪ ■Reservation Bonus■ This is a great deal plan that includes a free ticket to our sister hotel's ``Day Spa, Dairo no Yu''♪ If you wish, we will also give you a free ticket valid only on the day of check-in! ■Dinner■ The dinner for this plan will be a kaiseki course recommended by the head chef. ※The photo of the food is an example. ※The meal is usually served at the venue, but you can change to a private room for 2,000 yen (excluding tax) per person. (Please request this when making your reservation. However, we may not be able to accommodate your request depending on the reservation situation on the day). You can choose from 18:00, 18:30, or 19:00. ■Breakfast■ A healthy Japanese meal made with organically grown rice and vegetables from our own farm. You can choose between 7:30 and 8:00. ■Hot Springs■ Wataya no Yu is made by mixing the Iwamuro Onsen hot spring with Dairo no Yu No. 3 spring, which is close to human skin and has a high relaxation effect, and using it as a free-flowing hot spring. This is a rare mixed spring even in Niigata Prefecture, and it is the only place you can enter (100% natural hot spring). ■Information■ Check-in 15:00 - check-out 10:00 ■Sister hotel "Taho Onsen Dairo no Yu"■ Taho Onsen Dairo no Yu is a very rare day-trip hot spring where you can bathe in three hot springs. It is a natural artesian hot spring, 100% natural, unfiltered, and has a large amount of free-flowing water. The real pleasure is blissful happiness! Source No. 1, which boasts one of the highest total sulfur contents in the prefecture, is used for the "Large Garden Open-Air Bath of about 50 tatami mats," and the sulfur-scented bath is truly a hot spring ( *´艸`) Source No. 2 is used for the indoor bath, and is rich in alkaline ions, making it very gentle on the skin. It is especially high in sulfate ions, which softens the keratin and revives the skin with fine, moisturized skin. Source No. 3 is used for the open-air rock bath and open-air waterfall bath, and is a hot spring with ingredients similar to those found in the human body.

    Rakuten Special OfferFlash Coupon
    $287.37
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    2/25/2026 11:59 p.m. (JST)
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    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.

Room details

Standard Japanese room, Non-smoking (Non-smoking Japanese-style room)

No smoking
1 x Futon
Max 7 adults / 6 children
Room facilities
  • Bath and toilet available
  • Wi-Fi in room (free)
Kugami Room 100, an indoor bath with a free-flowing source
No smoking
Max 2 adults / 1 child
Room facilities
  • Bath and toilet available
  • Internet available in room
  • Wataya Gozen
    Only 2 rooms left!
    Free cancellation until Feb 25
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $393.33
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [For those who want to fully enjoy the hot springs] Special room with an open-air bath fed directly from the source [Breakfast] [Dinner]

    Free cancellation until 2/25/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    Natural free-flowing hot spring water, 100% sourced directly from the spring, is luxuriously offered in the rooms' baths. Wataya no Yu boasts one of the highest total sulfur levels in the prefecture, and the hot spring with the scent of sulfur is this hot spring ( * ́艸') Enjoy endless hot springs in the special room with a private bath featuring spring water directly sourced from the hot spring★ Available 24 hours for your pleasure!! ■Rakuten Travel Reservation Benefits■ 1. Welcome Drink ■Dinner■ The dinner of this plan, 'Wataya Gozen,' features fresh seafood directly sourced from the Sea of Japan, carefully prepared.We use rice and vegetables organically grown in our own farm. ▽ Sample Menu ▽ ・Appetizer: Niigata Prefecture's locally sourced rock seaweed ・Starter: A three-item assortment of seasonal dishes and fresh seafood ・Sashimi: Three types of seasonal seafood from the Sea of Japan ・Main dish: Domestic Japanese magnolia leaf grilled with homemade miso ・Grilled dish: Whole grilled rockfish marinated with premium sake ・Fried dish: Deep-fried local pufferfish ・Steamed Dish: Chawanmushi (savory egg custard) ・Soup: Clear soup with fresh seaweed - Seasonal rice cooked in a pot ・Dessert: Fresh caramel pudding ※The menu may change depending on the season. ※Meals are usually served in the dining hall, but can be changed to a private room for an additional 2,000 yen (excluding tax) per person. (Please inform us when making a reservation.However, depending on the reservation status on the day, we may not be able to accommodate your request.) You can choose from the times 18:00, 18:30, or 19:00. ■Breakfast■ This is a gentle Japanese meal using rice and vegetables organically grown in our own farm. You can choose from the times 7:30 or 8:00. ■ Hot Springs ■ Wataya no Yu combines the source water of Iwamuro Onsen with the third source of 'Dairo no Yu,' which is close to human body temperature and offers high relaxation effects, and uses it as a free-flowing hot spring. This is a rare mixed hot spring in Niigata Prefecture that can only be experienced here (100% natural hot spring).

    Rakuten Special OfferFlash Coupon
    $393.33
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    2/25/2026 11:59 p.m. (JST)
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    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.

  • Observation bath indoor bath
    Only 2 rooms left!
    Free cancellation until Feb 25
    Meal
    Breakfast
    Dinner
    Rakuten Special OfferFlash Coupon
    Price for:
    1 night
     | 
     | 
    $393.33
    Taxes & fees incl.

    Coupon

    *The discount is calculated based on the original price.
    Plan details

    [Chef's Recommended Plan] ★Fresh Seafood from the Sea of Japan★ Nodoguro & Domestic Wagyu Beef [Breakfast] [Dinner]

    Free cancellation until 2/25/2026 11:59 p.m.(JST)

    Coupon

    *The discount is calculated based on the original price.

    This plan comes with a special bonus♪ Fresh seafood from the Sea of Japan! Nodoguro♪ Plus 4 kinds of sashimi! This is a proud dish that our head chef has prepared, with seasonal vegetables from carefully selected Niigata ingredients and fresh seafood! We are sure you will be satisfied♪ ■Reservation Bonus■ This is a great deal plan that includes a free ticket to our sister hotel's ``Day Spa, Dairo no Yu''♪ If you wish, we will also give you a free ticket valid only on the day of check-in! ■Dinner■ The dinner for this plan will be a kaiseki course recommended by the head chef. ※The photo of the food is an example. ※The meal is usually served at the venue, but you can change to a private room for 2,000 yen (excluding tax) per person. (Please request this when making your reservation. However, we may not be able to accommodate your request depending on the reservation situation on the day). You can choose from 18:00, 18:30, or 19:00. ■Breakfast■ A healthy Japanese meal made with organically grown rice and vegetables from our own farm. You can choose between 7:30 and 8:00. ■Hot Springs■ Wataya no Yu is made by mixing the Iwamuro Onsen hot spring with Dairo no Yu No. 3 spring, which is close to human skin and has a high relaxation effect, and using it as a free-flowing hot spring. This is a rare mixed spring even in Niigata Prefecture, and it is the only place you can enter (100% natural hot spring). ■Information■ Check-in 15:00 - check-out 10:00 ■Sister hotel "Taho Onsen Dairo no Yu"■ Taho Onsen Dairo no Yu is a very rare day-trip hot spring where you can bathe in three hot springs. It is a natural artesian hot spring, 100% natural, unfiltered, and has a large amount of free-flowing water. The real pleasure is blissful happiness! Source No. 1, which boasts one of the highest total sulfur contents in the prefecture, is used for the "Large Garden Open-Air Bath of about 50 tatami mats," and the sulfur-scented bath is truly a hot spring ( *´艸`) Source No. 2 is used for the indoor bath, and is rich in alkaline ions, making it very gentle on the skin. It is especially high in sulfate ions, which softens the keratin and revives the skin with fine, moisturized skin. Source No. 3 is used for the open-air rock bath and open-air waterfall bath, and is a hot spring with ingredients similar to those found in the human body.

    Rakuten Special OfferFlash Coupon
    $393.33
    Taxes & fees incl.
    2 guests 1 night 1 room
    Meals
    • Breakfast
    • Dinner
    Cancellation policy
    Free cancellation deadline
    2/25/2026 11:59 p.m. (JST)
    2 day(s) before your stay (from 00:00) (JST)
    30%
    1 day(s) before your stay (from 00:00) (JST)
    50%
    0 day(s) before your stay (from 00:00) (JST)
    100%
    No-show
    100%
    The penalty charges are based on the original rate of this room. However, if any discounts are applied, the incurred penalties will not exceed the total discounted amount of the reservation.The exchange rate is fixed when booking.

    Taxes & fees

    Included

    Consumption tax (from 10/1/2019) (Per person per night) 10%

    Excluded*

    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.

Room details

Twin room, Non-smoking ([Special Room] Includes a private hot spring with free-flowing natural spring water)

No smoking
Max 2 adults / 1 child
Room facilities
  • Bath and toilet available
  • Internet available in room