Qualla: Unazuki Onsen

Unazuki Onsen: Introduction

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Fffkk, CC BY-SA 3.0. The hot spring water at Unazuki does not come from beneath the town. It arrives through a 7-kilometer pipe from Kuronagi Onsen, a remote spring hidden deeper in the Kurobe Gorge, and the water is so clear that Unazuki's baths have earned the nickname "Beauty's Bath" -- a mildly alkaline soak said to be among the most transparent thermal waters in Japan. The town itself sits at the entrance to the gorge, a narrow slot carved by the Kurobe River through the mountains of Toyama Prefecture, and since 1923 it has served as the gateway between the civilized coast and one of the wildest landscapes in the Japanese Alps.

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Image: Fffkk | CC BY-SA 3.0

Unazuki Onsen: Born from the Dam Builders' Railroad

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit ナイトキャビン, CC BY-SA 4.0. Unazuki Onsen did not exist before the railroad arrived. The town opened in 1923, during the Taisho period, when construction crews building hydroelectric facilities along the Kurobe River laid tracks into the gorge. The Kurobe Gorge Railway -- originally an industrial line hauli...

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Image: ナイトキャビン | CC BY-SA 4.0

Unazuki Onsen: Into the Gorge by Trolley

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit Darklanlan, CC0. The Kurobe Gorge Railway is not an ordinary train ride. The open-air trolley cars -- some with windows, some without -- rattle along a track clinging to the walls of one of Japan's deepest gorges, the Kurobe River churning far below. Highlights along the route include the 60-mete...

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Image: Darklanlan | CC0

Unazuki Onsen: Poets, Painters, and the Selene Museum

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit 掬茶, CC BY-SA 4.0. Over the decades, Unazuki's combination of hot water and mountain scenery has drawn poets and writers seeking inspiration. The town leans into its cultural identity. The Selene Museum of Art, housed in the nearby Unazuki International Center, features works by Japanese artists, m...

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Image: 掬茶 | CC BY-SA 4.0

Unazuki Onsen: A Century of Steam and Snow

Mon, 16 Feb 2026 00:00:00 GMT

Photo credit 江戸村のとくぞう (Edomura no Tokuzo), CC BY-SA 4.0. Unazuki Onsen celebrated its 100th anniversary in 2023, a full century of welcoming visitors to the edge of the gorge. The town remains the largest hot spring resort in Toyama Prefecture, with ryokan and hotels lining streets that slope toward the river. A ski resort opened here ...

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Image: 江戸村のとくぞう (Edomura no Tokuzo) | CC BY-SA 4.0