Henninger Campground is a sprawling trail camp in a scenic and special pine forest on Henninger Flats in the San Gabriel Mountains. From Altadena, it is a 3-mile one-way hike up Mount Wilson Toll Road to Henninger Flats, where the charming campground is accompanied by a visitor information center and tree nursery operated by the Los Angeles County Fire Department. The campground has around... Read more.
By: Published: December 7, 2013 Last updated: January 2, 2018