Peninsula, central Honshu, Japan. It extends 37 mi (60 km) into the Pacific Ocean and consists largely of volcanic rock and highly eroded volcanoes. It is part of the Fuji-Hakone-Izu National Park, and its hot springs and warm winter climate are major...

The Izu Peninsula (伊豆半島, Izu-hantō?) is a peninsula to the west of Tokyo on the Japanese island of Honshū. Formerly the eponymous Izu Province, the Izu peninsula is now a part of Shizuoka prefecture. The Izu Islands, however, are administered...