kamuishu island in lake mashu

lake mashu kamuishu island akan national park landscape islet water trees japanese white birch crater hokkaido asian birches atosanupuri atsosa nupuri betula platyphilla var japonica branch branches caldera cliff cliffs color colors colour cone cones crag crags endorheic freshwater japan lakes landscapes lava dome mashuko mountain mountains scene scenery scenic snow snowy stratovolcano stratovolcanoes tree volcano volcanoes wetland mashu park hokkaido