![Valley in Las Trampas Regional Wilderness Park on a Cloudy Day, Contra Costa County, East San Francisco Bay, California Stock Image - Image of america, copy: 141480313 Valley in Las Trampas Regional Wilderness Park on a Cloudy Day, Contra Costa County, East San Francisco Bay, California Stock Image - Image of america, copy: 141480313](https://thumbs.dreamstime.com/z/valley-las-trampas-regional-wilderness-park-cloudy-day-contra-costa-county-east-san-francisco-bay-california-141480313.jpg)
Valley in Las Trampas Regional Wilderness Park on a Cloudy Day, Contra Costa County, East San Francisco Bay, California Stock Image - Image of america, copy: 141480313
![The Bay from the Rocky Ridge trail - Picture of Las Trampas Regional Wilderness, San Ramon - Tripadvisor The Bay from the Rocky Ridge trail - Picture of Las Trampas Regional Wilderness, San Ramon - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-m/1280/14/04/c4/b8/rocky-ridge-trail.jpg)
The Bay from the Rocky Ridge trail - Picture of Las Trampas Regional Wilderness, San Ramon - Tripadvisor
![Las Trampas Historic District and the San José de Gracia Church---American Latino Heritage: A Discover Our Shared Heritage Travel Itinerary Las Trampas Historic District and the San José de Gracia Church---American Latino Heritage: A Discover Our Shared Heritage Travel Itinerary](https://www.nps.gov/nr/travel/american_latino_heritage/photos/Las%20Trampas_2.jpg)