Calaveras County is a county located in the Sierra Nevada foothills of California. Its county seat is the town of San Andreas. The county is known for its gold rush history, natural attractions, and outdoor recreational activities. As of the 2010 census, the population was 45,292. The county seat is San Andreas. Angels Camp is the county's only incorporated city.

Coyote Creek Cave, located in Vallecito, California, is a hidden gem known for its underground swimming hole and natural beauty. The limestone cave was formed over time as Coyote Creek eroded a layer of soluble bedrock, creating an awe-inspiring natural wonder.

Twisted Oak Winery is a well-known winery located in Vallecito, California, in Calaveras County, in the Sierra Nevada foothills. It is known for its picturesque setting amid rolling hills, vineyards, and the natural beauty of the region. The winery provides outdoor seating areas where visitors can enjoy their wine while taking in the scenic views and the relaxed atmosphere of the Sierra foothills.

Natural Bridges Trailhead is located in Vallecito, California. It has a full loop of 9.8 miles (15.8 kilometers) and passes all three natural bridges. The Natural Bridges trail is a beautiful two-mile round trip hike will lead you to spectacular limestone caverns that have been carved out by Coyote Creek which feeds into New Melones Lake.

Moaning Caverns Adventure Park is a popular attraction located in Vallecito, California, USA. The park is centered around the Moaning Cavern, a large cave system that visitors can explore on guided tours. Moaning Caverns was discovered in modern times by gold miners in 1851, but it has long been known as an interesting geological feature by prehistoric peoples.