Hokkaido, the northernmost of Japan’s main islands, is known for volcanoes, natural hot springs and ski resorts. National parks include rugged Daisetsuzan, home to steaming, volcanic Mt. Asahi, and Shikotsu-Tōya park, containing caldera lakes, geothermal springs and Mt. Fuji look-alike Mt. Yotei. Rusutsu, Furano and Niseko are popular ski destinations, with Niseko also offering fishing, biking and rafting in the summer.