Tsukubasan Onsen

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Ibaraki · Tsukubasan OnsenTattoos: Ask ahead

Livemax Tsukubasan Onsen

About 90 minutes from Akihabara via the Tsukuba Express, a day spa on the slopes of Mt. Tsukuba. The open-air bath opens onto a cliff with the whole Kantō plain below—the classic post-hike or post-cable-car soak. Alkaline simple spring water around pH 9 leaves skin smooth. ¥1,100 weekdays, ¥1,300 weekends; reservable private baths too. Check the calendar for closure days. Rebranded on 25 August 2026 from 'Tsukubasan Onsen Tsukuba-no-Yu' to 'Livemax Tsukubasan Onsen' (prices and hours unchanged).

Day-trip onsenNatural hot springDay use ¥1,100

Ibaraki · Tsukubasan OnsenTattoos: Not allowed

Tsukuba Onsen Hotel

A single inn halfway up Mount Tsukuba holding the mountain's only private source. Tsukuba Onsen was struck in 1974 at a depth of 1,353m, the first vein found on the mountain, and the inn has an open-air bath, a jar bath and a cypress main bath. Day bathing runs 13:00-18:00 (entry until 17:00) at 1,100 yen for adults, 1,300 yen at weekends and on holidays.

Day-trip onsenOnsen ryokanDay use ¥1,100

Ibaraki · Tsukubasan OnsenTattoos: Ask ahead

Tsukubasan Hotel Aokiya

An inn on the flank of Mount Tsukuba known for its views. It has an open-roofed panoramic bath, Unjo-no-Yu, at 300m above sea level and a panoramic main bath, Ginga-no-Yu, overlooking the Kanto plain; the water is a simple alkaline spring. Day bathing is 12:00-15:00 at 1,200 yen for adults, tax included, and rooms can be booked for a three-hour rest at 5,500 yen.

Day-trip onsenOnsen ryokanDay use ¥1,200