群馬県 · Kanto Region
Gunma Hidden Gems
2 spots
Gunma· Takasaki
Mt. Haruna & Lake Haruna — Volcanic Crater Lake
Mt. Haruna (榛名山, 1,449m) is a dormant volcano with a crater lake (Lake Haruna, 榛名湖) at 1,100m elevation, surrounded by v…
Mt. Harunacrater lakeropeway+2
Updated Jun 2026
Gunma· Takasaki
Akagi Shrine — Mystical Forest Sanctuary
Akagi Shrine (赤城神社) sits on the shore of Lake Onuma (大沼, 1,350m elevation) in the caldera of Mt. Akagi (赤城山, 1,828m), a…
Akagi Shrinelakevolcano+2
Updated Jun 2026