Steam fumaroles in Jigokudani geothermal area, Noboribetsu Onsen, Shikotsu-Toya National Park, Hokkaido, Japan

Showa Shin-zan lava dome, that grew from nothing in 1945, on flank of Usu volcano, Shikotsu-Toya National Park, Hokkaido, Japan

Vibrant autumn colors on Lake Toya, volcanic lake with trees on a sandy shore, Abuta, Hokkaido, Japan, Asia

View of Lake Toya, framed by autumn trees in the evening, and volcanic island in the middle of the lake, Abuta, Hokkaido, Japan, Asia

Soft purple evening light at a lake in late autumn, reflecting a forestry slope, Lake Toya, Shikotsu-Toya National Park, Abuta, Hokkaido, Japan, Asia

Pathway through steaming Sulphur pits, Hell Valley, Shikotsu-Toya National Park, Noboribetsu, Hokkaido, Japan, Asia

Soft purple evening light at a lake in late autumn, reflecting a forestry slope, Lake Toya, Shikotsu-Toya National Park, Abuta, Hokkaido, Japan, Asia

Pathway through steaming Sulphur pits, Hell Valley, Shikotsu-Toya National Park, Noboribetsu, Hokkaido, Japan, Asia

Hell Valley at Shikotsu-Toya National Park, Noboribetsu, Hokkaido, Japan, Asia

View over the forest slope of Lake Toya in the evening with volcano in the distance, Abuta, Hokkaido, Japan, Asia

View from above onto Lake Toya and the island inside the crater, in autumn, Abuta, Hokkaido, Japan, Asia

Toya Lake, Hokkaido

Toya Lake, Hokkaido

Toya Lake in early morning, Hokkaido, Japan, Asia