Okama
Tōgattaonsen
Volcanic Lake
Okama is a must-visit mountain destination in the Yamagata region, renowned for the striking emerald green water of its volcanic crater lake. Visitors are often captivated by the vibrant contrast between the lake's unique color and the bright blue sky.
- Visit during midday for the most vibrant water colors.
- Pack extra layers to combat the chilly mountain winds.
- Check live webcams to ensure the crater isn't hidden by fog.
- Wear sturdy walking shoes for the rocky terrain around the viewpoint.
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