| Vaca Mountains | |
|---|---|
 Mt. Vaca and the Blue Ridge, high points of Solano County, as seen from upper Suisun Valley. | |
| Highest point | |
| Peak | Mount Vaca |
| Elevation | 859 m (2,818 ft) |
| Geography | |
  Vaca Mountains location of the Vaca Mountains in California | |
| Country | United States |
| State | California |
| Region(s) | Napa County, Solano County |
| Range coordinates | 38°24′01″N 122°06′22″W / 38.4001881°N 122.1060815°W |
| Topo map | USGS Mount Vaca |
The Vaca Mountains[1] are a mountain range in Napa and Solano Counties, California that is one of the California Coast Ranges. They represent the easternmost of the Inner Coast Ranges in north−central California, and divide the Suisun Valley on their west, from the Sacramento Valley on their east.