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  • 194x116 Bull Bison-Ralston

    North American Bison

    Bison, also known as buffalo, once numbered in the tens of millions and roamed freely across the Great Plains

Upcoming Events

Upcoming Events

Join us for our SECOND SATURDAY ACTIVITIES at Sullys Hill May-October sponsored by the Friends of Sullys Hill.

Click here to learn more!

About the Complex

Devils Lake Wetland Management District

Devils Lake Wetland Management District is located in the heart of the Prairie Pothole Region of the United States and is one of nine wetland management districts within North Dakota.

Sullys Hill National Game Preserve is managed as part of the Devils Lake Wetland Management District.

Learn more about the complex 

About the NWRS

National Wildlife Refuge System


The National Wildlife Refuge System, within the U.S. Fish and Wildlife Service, manages a national network of lands and waters set aside to conserve America’s fish, wildlife, and plants.

Learn more about the NWRS  

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What's Happening at The Hill!

  • Keep an eye out for bison babies!

    2014 Bison Calf

    Bison calves are born late April through May. They are 30-70 lbs at birth and can be distinguished from last years calves by their "red" color.

    15 Facts About Our National Mammal
  • Friends of Sullys Hill Photo Contest

    150x118 Pelicans

    Share your favorite photos by entering this years photo contest! Entries accepted through August 31. Click the link below for details.

    Photo Contest Brochure
  • Summer Hours

    Visitor hours are from 8am to sunset. The gates open and close automatically with access to the auto tour route and hiking trails. The visitor center is open Wed-Sun Noon-4pm. Additional hours are added as staff/volunteers are avaialable. Look for our OPEN TODAY flag at the parking lot!

Page Photo Credits — All photos courtesy of USFWS unless otherwise noted., North American Bison and Bull Elk, By: Scott Ralston/USFWS, YCC Sampling Wetlands, By: Jim Thompson, "Shades of Autumn" 2013 Best of Show, Friends of Sullys Hill Photo Contest, By: Jim Hanson
Last Updated: May 16, 2017
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