| Devil Mountain | |
| Elevation M: | 375 |
| Location: | Temagami, Ontario |
| Map: | Canada Ontario |
| Label Position: | below |
| Coordinates: | 47.0883°N -80.085°W |
Devil Mountain, sometimes mistakenly called Devil's Mountain, is a wooded mountain in the Municipality of Temagami, Northeastern Ontario, Canada. It overlies Devil Island in Lake Temagami with an elevation of above sea level. A short trail from Angus Point leads to an overlook some above Lake Temagami. From here, Maple Mountain can be seen on a clear day.[1]
Devil Mountain is underlain by Nipissing diabase, which forms a 2.2 billion year old magmatic province with an east–west extent of almost and a north–south extent of up to .[2] [3]