Grand Canyon Caverns Main Address: 25 Mi 115 Hwy W, Seligman, AZ 86337 Phone: (928) 422-4565 Hotels & Motels Other Businesses: Supai Motel at 134 W Chino Ave, Seligman, AZ 86337 Supai Motel at 22450 Old Route 56 Hwy, Seligman, AZ 86337 Stage Coach Motel at 639 E Chino Ave, Seligman, AZ 86337