| West Riverside Mountains | |
| Country: | United States |
| State: | California |
| District: | Riverside County |
| Topo Map: | Grommet, Vidal |
| Topo Maker: | USGS |
| Range Coordinates: | 34.0578°N -114.6478°W |
| Elevation M: | 803 |
| Coordinates: | 34.0575°N -114.6478°W |
| Length Mi: | 4.5 |
| Length Orientation: | north-south |
| Width Mi: | 3.8 |
| Width Orientation: | east-west |
| Map: | California |
The West Riverside Mountains are a mountain range in eastern Riverside County, California. They extend about 0.75 miles into San Bernardino County. The Riverside Mountains are 1 mile southeast; the Turtle Mountains are 9 miles to the northwest.