is a quaternary stratovolcano
and one of Japan's 100 famous mountains
. Its summit is . It is located on the Hokkaidō
's Shiretoko Peninsula
on the border of Shari
in Shari District
in Shibetsu District
Its former name in the Ainu language was Onnenupuri. The name Shari in Ainu means "marshes where reeds are growing." The summit consists of , and the western ridge.
It is also known by the names or .
The most popular ascent route starts from the Kiyosato side. A public bus (Sharibus) runs three times a day (first at 6:30) from Shiretokoshari Station to the start of the trail.