Mount Rausu is a stratovolcano on the Shiretoko Peninsula in Hokkaidō, Japan. It sits on the border between the towns of Shari and Rausu. Mount Rausu is the northeasternmost Holocene volcano on Hokkaidō. It is one of the 100 famous mountains in Japan. Mount Rausu's opening festival is held annually on July 3. This day officially opens the climbing season.