Lake, Honshu , Japan.
Situated at an elevation of 4,375 ft (1,334 m), it is a resort site noted for its shrines, yachting, trout fishing, and skiing. Volcanic Mount Nantai towers to 8,169 ft (2,490 m) above the lake's northern shore; lower mountains surround most of the irregular 15 mi (24 km) shoreline.