Extinct volcano in California From Wikipedia, the free encyclopedia
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Conejo Mountain is a 1,814-foot-high mountain (553 m) in Ventura County, California, near Camarillo on the eastern boundary of the Oxnard Plain.[1][2][3] At the western edge of the Conejo Valley, it is adjacent to the Santa Monica Mountains. Crossing what was once a formidable barrier for travelers, U.S. Route 101 passes through the area on the steep Conejo Grade.[4]
| Conejo Mountain | |
|---|---|
 Conejo Mountain sits on the western edge of the Conejo Valley in Thousand Oaks, California. The intersection of Borchard Rd. and Reino Rd. is shown in the foreground. | |
| Highest point | |
| Elevation | 1,814 ft (553 m) |
| Coordinates | 34°11′18″N 118°59′4″W |
| Geography | |
| Location | Camarillo, California |
| Topo map | Camarillo East |
The mountain was once a large volcano about 14 million years ago, but it has been extinct for millions of years. The mountain was under sea level at one point.[5] Mining operations have been ongoing here since 1959, and most of the mountain is owned by the Pacific Rock mining operation.[6]
The Santa Monica Mountains Conservancy, Pleasant Valley Recreation and Park District, and Conejo Open Space Conservation Agency have interest in administrating the area as protected open space.[6] Trails reach into the area from Pepper Tree Playfield and Dos Vientos Community Park via Dos Vientos Open Space in southwestern Newbury Park.[7][8][9][10][11]
