Caesars Palace 3570 Las Vegas BoulevardLas Vegas, NV 89109Tel: 877-427-7243 (toll free)map | directionsOperating Hours & Seasons The SOUTH RIM is open 24 hours a day, 365 days a year. Services are available and facilities are open year round. Visitor services and facilities inside the national park on the NORTH RIM are only open from mid-May to mid-October. Weather permitting, the North Rim is open for day use only following the close of fac...