National Parks Free Entrance Days 2026 (Dates + What’s Changed) There are eight National Parks free entrance days in 2026—but the rules are different this year. Beginning in 2026, fee-free days apply to U.S. residents (non-U.S. residents generally pay the regular entrance fee, and some parks also add a nonresident fee). These National Parks free … Continue reading 2026 National Parks Free Entrance Days (Plan & Reserve)