The Vaca Mountains 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.
Mt. Vaca and the Blue Ridge, high points of Solano County, as seen from upper Suisun Valley.
A view to the South in the Northern Vaca Mountains. The Canyon in the foreground holds Wildhorse Creek which is one of the few principal streams in this mountain range.
Wildhorse Creek (pictured above) eventually drains this section of the Vaca Mountains into Putah Creek below Monticello Dam.
The Coast Ranges of California span 400 miles (644 km) from Del Norte or Humboldt County, California, south to Santa Barbara County. The other three coastal California mountain ranges are the Transverse Ranges, Peninsular Ranges and the Klamath Mountains.
Santa Lucia Range
Outer Northern Coast Ranges: King Range meets the sea on the Lost Coast.
Orographic lift of moist air coming off ocean produces clouds along the Santa Lucia Range, of the California Coast Ranges System - NOAA
Monument Peak over Milpitas, California
