Noboribetsu, Hokkaido

Steam rises from cracks in the earth at 地獄谷, the sulphur smell arriving before the sight does. The ground here is restless — 日和山 is a monitored active volcano, and the hot spring water that surfaces across Noboribetsu does so in multiple distinct chemistries, the variety unusual even by Hokkaido standards. Inns and bathhouses cluster around the source, among them 夢元さぎり湯, a public bath near the terminal where the water is available to anyone willing to walk in off the street.

The town's character does not stop at the ryokan district. Inland, the terrain rises into台地 and hills where dairy farming continues on a quiet, working scale. Toward the coast, the land flattens into sandy shoreline, and the city edges into the industrial corridor shared with Muroran. 登別マリンパークニクス, a marine park built around a mock Nordic castle, occupies its own register entirely — a piece of resort infrastructure that sits alongside the older thermal economy without quite belonging to either. Higher up, accessible by ropeway from 四方嶺, のぼりべつクマ牧場 keeps brown bears on a ridge with views over the surrounding landscape.

The name Noboribetsu comes from Ainu, and the hot springs were known in the Edo period. During the Russo-Japanese War the baths were designated a recovery site for wounded soldiers — a fact that gives the thermal district a particular weight beyond its current tourist function. キウシト湿原, listed among Japan's significant wetlands, lies within the city limits, largely unvisited on an ordinary afternoon.