Mount Yakushi (薬師岳, Yakushi-dake) is one of the 100 Famous Japanese Mountains, reaching the height of 2,926 m (9,600 ft). It is situated in Japan's Hida Mountains in Toyama Prefecture. It was specified for Chūbu-Sangaku National Park on December 4, 1934.

There are a lot of mountains with the same name in Japan, but this is the highest peak. It is a mountain of the Faith for a long time as well as Mount Tate and Mount Ontake. Bhaisajyaguru is enshrined in the Shinto shrine on the top of the mountain.

There are 4 large Cirque on the east side of the mountain.

There are several climbing routes to the top of the mountain.

Thera are several Mountain hut around Mount Yakushi. Yakushi mountain cottage is the nearest hut.

The upper part of this mountain is situated in Tree line region, Siberian Dwarf Pine and Alpine plant grow naturally. There are quite a lot of kinds of alpine plant in the surrounding, and it is selected to "the 100 famous Japanese mountains of flower" by Sumie Tanaka.

The mountain is the source of the following rivers, each of which flows to the Sea of Japan.