Memorial Park, located in Loma Mar, San Mateo County, California, United States, is operated by the San Mateo County Department of Parks. The park encompasses 673 acres (2.72 km2), and includes old-growth redwood trees, eight miles (13 km) of hiking trails, camping areas, picnic facilities, a visitor center, a camp store, a creek swimming area, and campfire programs. Pescadero Creek, which provides winter habitat for steelhead trout, runs through the park. Bloomquist, Hoffman, McCormick, and Peterson Creeks join Pescadero Creek within the park boundaries.

Loma Mar is a census-designated place (CDP) in San Mateo County, California. It is near San Mateo County Memorial Park on Pescadero Creek Road and is in area code 650. Loma Mar is between the towns of Pescadero and La Honda, situated in the Santa Cruz Mountains in the western part of the San Francisco Peninsula. The United States Postal Service has assigned it ZIP Code 94021. As of the census of 2020, there were 134 residents in the CDP. Loma Mar is home to the YMCA's Camp Loma Mar, Redwood Glen Camp and Conference Center as well as a small number of businesses and services including the Loma Mar Store, a post office, and a fire station run by volunteers.