is a mountain located in the Kabato Mountains on the border of Tōbetsu and Shintotsukawa, Hokkaidō, Japan. Pinneshiri derives its name from the Ainu language pinne-sir, meaning "male land". The name of neighboring Mount Machine means "female land". Pinneshiri, Mount Kamuishiri, and Mount Machine are together known as .
Climbing route There are two climbing routes: Shintotsukawa course Dōmin no Mori course
On the first Sunday of July, Shintotsukawa hosts
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