Lacy Park is a public park located in the city of San Marino, California. It is located in the San Rafael Hills, at 1485 Virginia Road.
Consisting of over thirty acres of open space in the center San Marino, Lacy Park was opened in 1925. It was formerly part of the 19th century Rancho Huerta de Cuati Mexican land grant.
The park is known for its extensive arboretum of trees, its immaculate rose garden, and its monument to General George Patton, who once resided in San Marino.
Admission to the park is free during the week, but non-residents of San Marino are charged $4 for admittance on Saturday and Sunday.