Rock Pool – Malibu State Park
This is a must visit place for those who like the outdoors. Malibu State Park offers hiking, biking, swimming and rock climbing. Plus there are historic areas like the original M.A.S.H. site and Planet of the Apes. There are things to do for all levels and ages.
Here's some details and reviews from AllTrails.com.
See also: 7 Great Hikes Around The Conejo Valley