A Guide to U.S. National Parks Requiring Reservations for 2026

An updated list as of 5/20/26

Summer is the perfect time to explore the America’s national parks—but before you hit the road, make sure you’ve got your reservations in order! Many parks now require advance bookings for entry, camping, and even specific attractions.

While each park has its own system, destinations like Carlsbad Caverns and Yosemite have reservation requirements for ti…