description Unzen Onsen Overview
Unzen Onsen is a volcanic hot spring field in Nagasaki, Japan, whose steam vents formed part of one of Japan's first national parks in 1934.
insights Why this score
Unzen Onsen ranks #114 of 203 in the Hot Spring ranking, behind Scenic Hot Springs, ahead of Shirahama Onsen.
Volcanic sulfur springs, historic resort status, and dramatic hells score well; town feels quieter and uneven.
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