Devils Postpile National Monument

Devils Postpile National Monument near Mammoth Lakes California features flush toilets and running water. Each site is equipped with a picnic table, firepit, and bear-proof locker. Showers and RV hook-ups are not available. There is a limit of 37 feet for all vehicles on the Devils Postpile Road and in the campground. Only a few of the monument's campsites can accommodate campers and trailers over 30 feet in length. (On average, most site lengths range between 20 and 25 feet.) First come first served. Access via a narrow, winding, and steep road that is closed to vehicle traffic during peak months. Campers pay a fee to drive down. Camping convenient to hiking trails.