is a quasi-national park on the Oshima Peninsula
in southwest Hokkaidō
. The park encompasses the volcanic as well as the and ponds, which abut against the west slope of the mountain. The park, which was designated as quasi-national in 1958
, is the smallest major park in Hokkaidō.
Ōnuma and Konuma were created when mudflows due to eruptions of Mt. Komagatake dammed up depressions at the base of the mountain. The ponds, which are dotted with watershields, are surrounded by birch and maple forests.
Related cities, towns and villages