Fees & Passes

Overview of entrance requirements

Free
No entrance pass required

An entrance pass is not required to access Fort Union Trading Post National Historic Site.

Other National Park Service sites may require an entrance pass or fee. Depending on your trip plans, an interagency pass may save you money.

Last updated: May 22, 2023

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Contact Info

Mailing Address:

15550 Highway 1804
Williston, ND 58801

Phone:

701 572-9083

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