| Mount Teshio | |
| Other Name: | 天塩岳 |
| Elevation M: | 1557.6 |
| Listing: | List of mountains and hills of Japan by height |
| Location: | On the border of Shibetsu and Takinoue, Hokkaidō, Japan |
| Range: | Kitami Mountains |
| Coordinates: | 43.9644°N 142.8881°W |
| Topo: | Geographical Survey Institute 25000:1 天塩岳 25000:1 宇江内山 50000:1 旭川 |
| Type: | volcanic |
| Age: | Middle Miocene–Late Miocene |
| Volcanic Arc/Belt: | Kurile Arc |
is the tallest mountain in the Kitami Mountains. It is located on the border of Shibetsu and Takinoue, Hokkaidō, Japan. It is the source of the Teshio River.
On January 6, 1978, Mount Teshio and the surrounding region was designated the .[1]
Mount Teshio is composed of felsic non-alkali rock from 15 to 7 million years old.[2]
At the base of the mountain there are abundant black woodpeckers as well as Japanese red foxes and Hokkaidō brown bears. Near the summit, pika can be found.
Prominent alpine plants on the mountain are Rhododendron aureum and Diapensia lapponica.
There are three climbing routes up the mountain:
There is a connecting path between the new trail and the other two trails.