[Nagano / Omachi City] A spectacular hot spring trekking course that sleeps in the unexplored Yumata River-Trekking Shinano Omachi at the foot of the Northern Alps!
- Beginners welcome - First try
- Solo participant
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Possible number of bookings1~15
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Participating age12Age ~ 100 Age
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DurationOver 6 hours on the day
The secret hot spring, Seiran-so, takes about 2 hours and 30 minutes through the lakeside of the Takase dam (rockfill dam). If you walk for another 15 minutes, you will see the nationally designated natural monument fountain hill and spherical limestone. An open-air bath at a hot spring that springs from the river. It's in a national park. You cannot change the terrain. please note. This trek does not cross the river because it is dangerous. Put the eggs in the hot springs that spring from the river, and the hot spring eggs will be ready in a few minutes. Takase Dam-National Natural Monument Takase Valley Fountain Hill and Spherical Limestone Round Trip Approximately 21km An almost flat course that can be participated in with athletic shoes. Trekking shoes are desirable for Seiran-so and Seiran-so. For those who are walking long distances on a daily basis Nanakura → Approximately 15 minutes on a specific taxi → Takase Dam (elevation 1,280 m) → 2 hours and 30 minutes on foot → Seiran-so Onsen (elevation 1,430 m) → Approximately 15 minutes on foot → Nationally designated natural Memorial Takase Valley fountain hill and spherical limestone (elevation 1,440m) → Approximately 15 minutes on foot → Yumata Onsen (elevation 1,430m) → Approximately 2 hours and 30 minutes on foot → Takase Dam (elevation 1,280m) → Specified taxi approximately 15 minutes → Nanakura Implementation Date 6/1 ~ 6/30 ・ 10/1 ~ 10/15
A nationally designated natural monument fountain hill and spherical limestone pass through the "hell" of this life (the place name is also hell). This is the source of hot springs that are extremely hot.
Three dams along the Takase River. You can enjoy the beauty of each of the four seasons.
The surrounding area is a steep valley. The quality of the spring is a simple sulfur spring. Flowing. We do not accept reservations over the phone. Please make a reservation from Activity Japan.
Select your preferred day
- Immediate booking OK!
- Reception closed
- Not accepted
- Request booking
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About fees
Basic fee
※The list price includes tax.
※The above price is a basic fee.
※Fees may vary depending on schedule, please check the fee displayed after selecting the date.
Included in price | |
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Not included in price |
Payment methods |
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Display of the Specified Commercial Transactions Act | Display of the Specified Commercial Transactions Act |
Reservation cancellation fee generation date | Cancellation fee will be charged from 10 days before the event date. |
About cancellation | 以下のキャンセル料金が発生します ・10~7日前:10% ・6~2日前:30% ・前日:50% ・当日および無連絡不参加:100% |
About event termination | ●天気予報降水量1mm/hの雨の場合実施いたします。 ●天候によるツアーの中止は、集合時刻30分前に判断いたします。 催行中止の場合携帯番号にご連絡いたします。 ●ツアー途中雷の音が聞こえた場合、雨が強くなった場合中止いたします。 ツアー途中中止の場合参加いただけなかった時間により返金させていただきます。 集合場所までの交通費は参加者のご負担となります。 ●天候の急変・その他事由により、体験日当日内容やコースの変更、中止する場合もあります。直前の中止もあります。 |
Detailed information of this plan
Required minimum number of participants | 4 Person(s) |
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Possible number of bookings | 1~15 |
About duration |
Over 6 hours on the day
From 8:00 to 16:00, required time 7 hours + break time
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Operating period | 2025/6/01〜2025/10/15 6/1 ~ 6/30 ・ 10/1 ~ 10/15 |
Assembly time | 8: 00-16: 00, 7 hours + break time |
Booking deadline | until 16:59 3 days before |
Changing room | Toilet | ||
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Shower | Parking | ||
Locker |
Dress code - Must bring items | Specific taxi fare (Nanakura parking lot-Takase dam), gloves such as military hands, rucksacks, trekking shoes (athletic shoes), drinking water, hats, sunscreen cream, sunglasses, winter clothes, rain gear, flashlights, magnets, first aid Set, regular medicine, insect repellent spray, watch, bear bell (for bear repellent), candy, cookie long-sleeved shirt and trousers, change of underwear |
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About rental items | nothing special |
Matters require attention | ・ We are looking for a maximum of 15 people from 1 person who can make a reservation. |
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Other notifications | ・ We do not accept reservations over the phone. Please make a reservation from Activity Japan.・ It is necessary to be careful about dangerous animals and plants such as bees and snakes. |
Plan attractions
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Dam lake
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Trekking course A well-maintained trekking course along the Takase River
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Yumata Onsen Suspension bridge to Takase River and Seiran-so, Seiran-so
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hell The surrounding area is a steep cliff. It is a source of hot springs.
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Nationally designated natural monument Takase Valley fountain hill and spherical limestone
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Cross the suspension bridge to hell
Access - Map
Nanakura Parking Lot or Omachi Onsen Village Accommodations / Meeting from 8:00 am to 9:00 am
From Nagano Expressway Azumino IC, take National Highway 147 or the parallel Kita-Alps Panorama Road to Omachi. Turn left at the Itchu Higashi intersection, Nanakura parking lot on Nagano prefectural road No. 326 Yarigatake line. General cars are closed here.
About 20 minutes by taxi from Shinano Omachi Station on the JR Oito Line.
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