Chichibu-Tama-Kai National Park is a national park in Japan at the intersection of Saitama, Yamanashi, Nagano and Tokyo Prefectures. With eight peaks over 2000 m scattered over 1250 km², there are numerous hiking trails and ancient shrines. The best known landmarks are Mount Mitsumine, home to the 2000-year-old Mitsumine Shrine; and Mount Mitake, with the Musashi-Mitake Shrine. The park has sources of major rivers such as the Arakawa River, Shinano River, Tama River, and Fuefuki River.