IZU PeninsulaAn independent English guide to the Izu Peninsula

Onsen

Hot springs and public baths on the Izu Peninsula.

Ryokan and a lookout tower beside the rocky Katsura River in Shuzenji Onsen
Shuzenji Onsen and the Katsura River · Photo: izunavi / Flickr, CC BY 2.0
Onsen · Shimoda

Kanaya Ryokan: bathing in Sennin-buro, Japan's largest wooden bath

A long-established inn in Kochi Onsen near Shimoda whose cypress bath, about 15 by 5 metres, is said to be the biggest in Japan.

Onsen · Izu City

Autumn in Shuzenji: maple leaves, evening light-ups and a hot bath (2026 season)

Izu's maples turn late, from mid-November into December. Where to see them around Shuzenji, the 2026 light-up dates announced so far, and where to warm up afterwards.

Onsen · Izu Peninsula

Choosing an onsen town in Izu: Atami, Ito, Shuzenji, Shimoda and Inatori compared

Seafront resort, bathhouse town, river valley or beach: how Izu's main hot spring towns differ, and which suits a first visit, a romantic weekend or a long stay.