Seki Onsen 関温泉
Asahiya 旭屋
Historic Seki Onsen day bath with iron-rich reddish water. Best when you ski Seki’s powder and want the village soak. Skip when outdoor is closed for winter and you only came for the rotemburo.
- Adult fee
- ¥500
- Child fee
- ¥300
- Hours
- 09:00–17:00
- Season
- seasonal
Day-use hours from Myoko Tourism. Seki’s reddish iron water; outdoor baths at hotels often closed in winter — ask before you go.
Outdoor bath. Hotel outdoor baths in Seki are often closed in winter — confirm.
Winter: Seki outdoor baths are often closed in winter per Myoko Tourism. Confirm day-use and which pools are open before driving over.
Amenities
- • Seki Onsen
- • Iron-rich reddish water
- • Outdoor bath (confirm in winter)
Source / tourism page · Listed source
Around here
It is in Seki Onsen, opened in 1729 and the oldest hot spring in Myoko. The water is reddish from its iron content, and the small Seki Onsen ski area is known for deep powder.
Pair it with a soak: the day-use onsen guide lists fees, hours and closing days for each area.
Eat nearby
See everything on the Myoko Kogen map, compare the resorts, sort out ski and snowboard hire, or plan the trip from Tokyo.