Operating Hours & Seasons - Zion National Park (U.S. National Park Service) Shuttles will not be operating. Parking is extremely limited and Scenic Drive will be closed when all parking is full. Day use only. Kolob Canyons remains closed. Click 'more' for full details on areas and services that will be available. 2020 Facilities Hours. Zion Canyon Visitor Center. Zion Canyon Wilderness Desk.