| Mount Rausu | |
| Other Name: | 羅臼岳 |
| Elevation M: | 1660.4 |
| Elevation Ref: | [1] |
| Listing: | List of mountains in Japan List of volcanoes in Japan 100 Famous Japanese Mountains |
| Location: | Hokkaidō, Japan |
| Range: | Shiretoko Peninsula |
| Map: | Japan Hokkaido#Japan |
| Relief: | y |
| Label Position: | left |
| Coordinates: | 44.0758°N 145.1225°W |
| Topo: | Geospatial Information Authority 25000:1 羅臼 25000:1 知床峠 50000:1 羅臼 |
| Type: | Stratovolcano |
| Age: | Holocene |
| Volcanic Arc/Belt: | Kuril arc |
| Last Eruption: | 1800 ± 50 years |
| Easiest Route: | Scramble |
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.[2] 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.[3]
In the past 2,200 years Mount Rausu is believed to have erupted thrice, with a Plinian Eruption roughly 1,400 years ago and a pyroclastic flow about 500 years ago.[4]