Overview Willis Creek is the ideal place for campers looking for a variety of accommodations. A group campground and five equestrian sites are available, in addition to a row of standard camping sites. Granger Lake is a popular recreational destination, especially for boating and fishing. In fact, it's one of the best lakes in the region for crappie and white bass fishing. Recreation Boating and fishing are the most popular activities for campers. Horseback riders have six trails to explore in the Willis Creek Equestrian Area, ranging from 1 to 5.5 miles in length. Facilities Equestrian sites do not have electric or water hookups. Standard sites are equipped with 20/30 electrical. Four of the standard sites are equipped with sewer drops at the campsites. The group campsite fits 50 people and is equipped with water and 20 amp electric. No RV hookups are available at the group shelter. Natural Features Granger Lake, formed by a dam completed in 1980, is fed by the San Gabriel River and Willis Creek. The campground sits on the Willis Creek arm of the lake.
Source: rec_gov · last verified 2026-05-14