Unazuki Onsen (宇奈月温泉, Unazuki onsen) is a hot spring resort located in the city of Kurobe, Toyama Prefecture, Japan, at the entrance of the Kurobe Gorge.

Unazuki onsen is a sightseeing base of Kurobe Gorge Railway.

Nearby in the Unazuki International Center is the Selene Museum of Art.

[3] Along the Kurobe River, there are 20 spring sources where the mineral water flows from the ground.

[citation needed] A communal soaking pool is located in front of the railway station, along with a foot bath.