The beautiful park offers camping and hiking in an oak woodland forest, with a sprinkling of pines and lovely meadows with creeks. There are over 100 miles of trails which accommodate hikers, bikers, and equestrians. The two family camps, Paso Picacho and Green Valley, are open and on the reservation system spring through fall. Green Valley sits at an elevation of 4,000 feet and has a creek which runs through the middle of the campground.
The day use area offers sets of cascades and shallow pools, great for water play on hot days. Green Valley has 81 campsites. Paso Picacho, 5 miles north, sits at an elevation of 5,000 feet. The most popular hikes start from this camp, including the 2 mile hike up Stonewall Peak (elevation 5,700 feet), and the 3.5 mile hike up Cuyamaca Peak (elevation 6,512 feet), both which offer breathtaking views of the deserts to the east, the coast to the west, and Lake Cuyamaca at the bottom.
Lake Cuyamaca, operated by the Helix Water District, is two miles north of Paso Picacho and offers boating and fishing. Paso Picacho campground has 85 campsites. Each campsite has a picnic table and a fire ring. Restrooms with flush toilets and pay showers are in the campground. Water faucets a located every few campsites. There are no hookups. Each campground has a dump station. Firewood and ice may be purchased at the camps. Interpretive programs are offered during the summer season.