Tsutsujitei Kusatsu: Which Room Gets Which Hot Spring?

At Tsutsujitei, the room name decides which spring you can soak in without leaving your room. That makes it worth checking the category before comparing floor space or meal plans. Every room has its own bath, but not every room uses the same source.

Main building, standard detached room, or special suite?

The six main-building rooms have indoor hinoki baths supplied by Bandai-kō spring. The two standard detached rooms—Miyako-wasure and Hana-shōbu—have semi-open-air Bandai-kō baths and meals served in the room. Two larger special detached suites, Danro-no-ma and Irori-no-ma, switch to Yubatake spring in their semi-open-air baths.

In practical terms, choose the main building if you want the Bandai-kō room bath and the option to reserve Tama-no-Yu. The standard detached rooms suit guests who want more privacy and in-room dining, while the special suites are the direct route to a private Yubatake bath. The property says all room baths are supplied as kakenagashi. It does add water when refilling a bath after cleaning because the source water is very hot; it does not heat, recirculate, filter or disinfect the bath water.

Tama-no-Yu is not available to every guest

The private outdoor bath Tama-no-Yu uses Yubatake spring. A session lasts 45 minutes and costs ¥2,200. It is available only to guests staying in the main building, with reservations made at the inn. Current listed slots include afternoon, evening and early-morning times; check availability when you arrive.

All guests can use the shared Urara-no-Yu bath, which draws Bandai-kō spring and has indoor and outdoor baths plus a sauna. Its posted hours are 1 pm to 10 am the next day, not 24-hour access. If you book one of the special detached suites, you can compare Yubatake in your room with Bandai-kō at Urara-no-Yu without arranging a private-bath slot.

The inn is set among a large wooded garden rather than directly beside Yubatake. It offers pickup from Kusatsu Onsen Bus Terminal; call after arriving and confirm the current pickup window. The standard check-in window ends at 5 pm, and later arrivals should contact the inn, particularly when dinner is included.

Tsutsujitei is a fit for guests who will use a private room bath several times and care about the spring source. If you want a bigger collection of public baths or a central-town address, compare it with the Kusatsu ryokan guide. For other properties where the room category changes the onsen setup, see the Kusatsu room-upgrade guide.

Sources

- [Tsutsujitei: room plans and room-bath sources](https://tsutsujitei.co.jp/roomplan/) - [Tsutsujitei: baths, spring sources and water treatment](https://tsutsujitei.co.jp/hot-spring/) - [Tsutsujitei: FAQ on room categories and Tama-no-Yu eligibility](https://tsutsujitei.co.jp/faq/) - [Tsutsujitei: dining](https://tsutsujitei.co.jp/cuisine/) - [Tsutsujitei: access and pickup](https://tsutsujitei.co.jp/access/) - Image: [Trip.com](https://ak-d.tripcdn.com/images/0222r120008c878mkCBCD_R_960_660_R5_D.jpg)

Checked: September 27, 2026

Tags: Kusatsu Onsen, Tsutsujitei, kakenagashi, Bandai-kō spring, Yubatake spring, private onsen