An endless blue sky bookended by mountain ranges is the setting for this KOA in Arizona’s McMullen Valley, northwest of Phoenix. On US 60 unbeatable access to surrounding desert public lands. ATV riders can depart right from this KOA onto a web of more than 450 mi of trails that wind through hills and washes and even to old gold mines. A half hour southwest, explore Kofa National Wildlife Refuge. Nearby Quartzsite is a rock hound’s paradise (gem shows in winter). At KOA, enjoy the pool and hot tub. Shoot a game of pool in Diamond Jim’s Billiards Game Parlour.