Mount Nishuomanai (ニシュオマナイ岳, Nishuomanai-Dake) is located between Mount Kamui (Urakawa-Hiroo) and Mount Nakano in the Hidaka Mountains, Hokkaidō, Japan.Geospatial Information Authority The mountain's name is believed to mean "Mortar Stream" in the Ainu language.
References
Google Maps Geographical Survey Institute Hokkaipedia