Plan ID

: 14903

[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!

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Map / access information / Provide：大町・青木湖アドベンチャークラブ

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Beginners welcome - First try
Solo participant

Possible number of bookings

1～15
Participating age

12Age ～ 100 Age
Duration

Over 6 hours on the day

Plan description

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

Nationally designated natural monument Takase Valley fountain hill and spherical limestone

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.

Takase Valley, a scenic spot of autumn leaves

Three dams along the Takase River. You can enjoy the beauty of each of the four seasons.

A superb view hot spring that sleeps in an unexplored region

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.

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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.

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Payment methods	Online payment
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	天候不良により体験内容を変更または中止する場合がございます。直前の中止もあります。主催者側の中止の場合は参加料を全額お返ししますが、集合場所までの交通費は参加者のご負担となります。

Detailed information of this plan

Required minimum number of participants	4 Person(s)
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
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
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
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.
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

Dam lake

Trekking course A well-maintained trekking course along the Takase River

Yumata Onsen Suspension bridge to Takase River and Seiran-so, Seiran-so

hell The surrounding area is a steep cliff. It is a source of hot springs.

Nationally designated natural monument Takase Valley fountain hill and spherical limestone

Cross the suspension bridge to hell

Access - Map

Nanakura Parking Lot 2118 Taira, Omachi City, Nagano Prefecture or Omachi Onsenkyo Accommodations

See on Google Map

Assembly point

Nanakura Parking Lot or Omachi Onsen Village Accommodations / Meeting from 8:00 am to 9:00 am

If you arrive by car

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.

If you arrive by train

About 20 minutes by taxi from Shinano Omachi Station on the JR Oito Line.