The hot-spring is located within 10 minutes walk of Futako-Tamagawa station (About 10 minutes ride of train from Shibuya). This location is full of natures that you might not think you are in Tokyo. “Sanga no Yu” is one of the few 100% natural hot spring in Tokyo, and its gushing water amount is 350 liters per minute from 1,700 meter depth which undoubtedly has top level spring amount in Tokyo. Also it has perfect water temperature.

Water trait of “Sanga no Yu” is isotonic weak alkaline sodium chloride. This trait of water is considered as storage sea water in deep stratum from antiquity transformed and formed fossil seawater type spring. Also, for noteworthy trait, it has same osmotic pressure as human’s bodily fluids therefore you will not get tired contrast to other hot-springs. In addition to the water trait, weak alkaline hot-springs make your skin smoother and sodium chloride hot-springs moisturize your body more than the others accompanying relax effects.

To get into Seta Onsen, first of all, take your shoes off at first floor and place them into shoes locker. Then, check-in at reception, leave your shoes locker key here and receive locker room key and towel ticket. You can rent swim suit for mixed bath or additional towel at the second floor. If everything is okay, proceed to the third floor.

Entrance and reception

Continue to go up to the third floor and let’s get in to locker room. Navy color is gentlemen room entrance and orange color is ladies room entrance. Place your cloth and bags to locker and now you are ready to take a bath.

Image is pretty much different from the appearance of the western style building. Inside of the facility has Japanese Ryokan like atmosphere in accordance with courtyard surrounded by several hundred years old trees.

At Japanese onsens, rinse your hairs and body before get into the bathtub is a manner. Use washing place to cleanse your body.

Washing Place

For inside bath, there are “lying onsen” and “Jacuzzis”. A noteworthy point of the spring is no adding heat and no adding water. Maintaining pure spring itself.

Do not get into the tub with swimsuit or put towel into the water.

The open-air hot-spring. Until this point, it is bath you get in without swimsuit. If you go beyond wood fence, wear your swimsuit here. Mixed bath in the courtyard is being “swimsuit zone”, so that family, kids, or lovers can enjoy in this area.

Surrounded by several hundred years old trees, you can enjoy forest therapy at mixed bath of healing spa.

Take a walk on a little slope about 60 meters from healing spa, now you are in “Hill of the Joy” area, where you will experience great scene. You can enjoy views of Mt. Fuji, beautiful sunset, and night scene if the weather is clear.

Seta Onsen have not only hot-springs, but many other services, so we strongly recommend to stay here for a whole day. Being most popular for adult among this facility’s services are Thailand style massage. Also, chiropractic, foot massage, Korean style dirt cleansing, and esthetic room are fully prepared.

Thailand traditional healthy technique handed down from the old days in Thailand and Japanese style hand massage technique fusion in Japan, and new massage technique of Thai-health style has born. You can choose from many courses such as 40 minutes trial course to 120 minutes course which is most popular in Thailand.

For whom accompanying child, this resort has 1200 square meter large indoor play ground, “Pierette”, and you can enjoy this great playground reasonable with “One-day Family Pass” ticket.

Very fun and well considered place for child’s safe and parent’s ease.

All equipments are selected by the ideas of “Assured safety”, “Satisfying child’s wishes”, and “Stimulate child’s five senses”.

Only 11 minutes ride from Shibuya by express service train, you do not have to go to Hakone or Kusatsu where you need to pay a cost of both time and money from Tokyo, you can enjoy with reasonable cost at Seta Onsen. Even weather is not a element to worry about, you can just go out with your child. Seta Onsen “Sanga no Yu”, we strongly recommend this attractive place.

Access: Seta Onsen “Sanga no Yu”
Address: 4-15-30 Seta Setagaya-ku, Tokyo
TEL: 03-3707-8228 or (+81)3-3707-8228
MAIL: info@setaonsen.co.jp
Open Hours: 10:00 ~ 23:00 (Reception ends on 22:00)
WEB site: https://www.setaonsen.co.jp/