Don Castro Regional Recreation Area is a

regional park A regional park is an area of land preserved on account of its natural beauty, historic interest, recreational use or other reason, and under the administration of a form of local government. Definition A regional park can be a special park distri ...

located in

Hayward, California Hayward () is a city located in Alameda County, California in the East Bay subregion of the San Francisco Bay Area. With a population of 162,954 as of 2020, Hayward is the sixth largest city in the Bay Area and the third largest in Alameda Coun ...

. It is part of the East Bay Regional Parks system.

External links

Don Castro Regional Recreation Area web page
{{coord, 37.692, N, 122.05, W, display=title East Bay Regional Park District Parks in Hayward, California