| River Mountains | |
| Photo Size: | 290px |
| Country: | United States |
| State: | Nevada |
| District: | Clark County |
| Topo Map: | Boulder Beach |
| Topo Maker: | USGS |
| Range Coordinates: | 36.0305°N -114.8611°W |
| Elevation M: | 963 |
| Map: | Nevada |
The River Mountains are a mountain range in Clark County, Nevada that demarcate the Las Vegas Watershed from the Lake Mead Watershed.