Supporting North Dakota's Public Lands Since 1951!
Providing support, services, and educational merchandise to enhance visitor experience and enjoyment through historical, scientific, and educational activities in Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.
Featured products
Check out some of our new or returning products for you to enjoy.
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Boho Bison TRNP Hoodie
Regular price $ 59.99Regular priceUnit price / per -
TRNP Bison Pin
Regular price $ 5.99Regular priceUnit price / per -
TRNP CCC Pin
Regular price $ 5.99Regular priceUnit price / per -
TRNP Leather Journals
Regular price $ 74.99Regular priceUnit price / per
2023 Picture Yourself in TRNP Postcard Set
Picture Yourself in TRNP Puzzle - Online Exclusive
Badlands Canvas by Gary Anderson - Online Exclusive
Shop By Location
Theodore Roosevelt National Park
Browse our collection of products about Theodore Roosevelt and the national park.
Knife River Indian Villages National Historic Site
Browse our collection of products about Native Americans and the historic site.
Theodore Roosevelt Nature and History Association
Browse our collection of products about our Non-Profit Association.
Join TRNHA and Show Your Support for North Dakota's Public Lands
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Become a Member
Purchase Your MembershipBecome a member today and help TRNHA support North Dakota's National Parks. Proceeds from sales of membership donations support Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.
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Donate
Donate NowEstablished in 1951, Theodore Roosevelt Nature and History Association (TRNHA), a 501c3 not-for-profit, is a cooperating association developed by the National Park Service to support the educational, scientific, and historic activities of Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.
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Volunteer
Volunteer OpportunitiesVolunteering for Theodore Roosevelt Nature and History Association is a way to show your support and to assist us in meeting our mission of supporting Theodore Roosevelt National Park and Knife River Indian Villages National Historic Site.
Want To Visit The Park?
Head over to the National Park Service Website to look at park passes.