Free Entry Day Is Not Free If You Flew In For It

On 17 September, entrance fees are waived across National Park Service sites, plus participating Forest Service and Bureau of Land Management land, to mark Constitution Day. It is one of ten fee-free days in the 2026 calendar, and it drops the standard gate charge – up to about $35 per vehicle at the headline parks – to nothing. Yellowstone, the Grand Canyon and Yosemite are all included. For anyone within driving distance who has been putting off a visit, it is the cheapest Thursday of the autumn.

It is not free for everyone, and that is the part worth reading twice. On 1 January the Department of the Interior introduced a separate fee structure for non-US residents, and the Park Service has confirmed those nonresident fees still apply on fee-free days. International visitors therefore pay on 17 September even as the car in front of them goes through at no charge. The waiver applies to the standard entrance fee, and the nonresident surcharge is not a standard entrance fee – it sits on top of one.

The numbers behind that surcharge are substantial. At eleven parks – Acadia, Bryce Canyon, Everglades, Glacier, Grand Canyon, Grand Teton, Rocky Mountain, Sequoia and Kings Canyon, Yellowstone, Yosemite and Zion – non-residents pay an additional $100 per person on top of the ordinary entrance fee. The nonresident version of the America the Beautiful annual pass costs $250 against $80 for the resident pass. For a family of four visiting two of those parks, the arithmetic favours the annual pass by a wide margin.

Everything that is not an entrance fee remains payable regardless of residency. Camping, commercial tours and backcountry permits are all outside the waiver, and reservation systems at the busiest parks operate on their own calendar. Fee-free days also reliably produce the year’s worst parking, which is the quiet cost of a free gate. Visitors should also expect thinner services: facilities that historically stayed open through the September and October shoulder season are more likely to be closed or running limited hours this year.

Sources: National Park Service, Congressional Research Service