Visiting Yellowstone does not require a reservation to enter, but planning ahead is essential for overnight accommodations, as lodging and campground reservations are required and often fill months in advance due to high demand. Additional permits and authorizations are required for some recreational activites, special uses, scientific research, and commercial operations within the park. Recreational Permits
Special Use Permits
Other Permits & Authorizations
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Last updated: May 16, 2025