Mooney Falls is a 190-foot (58 m) waterfall on Havasu Creek, in the northwest corner of the U.S. state of Arizona, near the town of Supai in the Havasupai Indian Reservation (36°15′46″N 112°42′24″W / 36.26278°N 112.70667°W). It's named after prospector James Mooney who fell to his death trying to cross the canyon on a homemade ladder. Local Native Americans called it "Hualapai" or "Hualpai" falls.