Overview Agnew Horse Camp is located in Reds Meadow Valley, just west of the full-service community of Mammoth Lakes, California. This equestrian camp provides access to some of the most spectacular wilderness in the Sierras and many outdoor activities such as horseback riding, fishing, hiking and photography. Devils Postpile National Monument and the famous Ansel Adams Wilderness are nearby, and a pack station with several amenities is just down the road.Recreation The campground is a great ba