MTB Rockville Hills Regional Park Fairfield California. Pinoy Siklista in the US

Rockville Hills Regional Park is a 633-acre (~256 hectare, 2.56 square kilometer) regional park in the city of Fairfield, Solano County, California, United States.[1] The park is known for its volcanic rocks, thin topsoil, grasses, and blue oak trees.[2] There are also oak woodlands, grassland savannas, chaparral and some aquatic habitats.[3]
The park is home to cows and birds in addition to deer, fox, waterfowl, hawks or bobcats.[10]