Enjoy views of North America's largest existing mammal, the bison. The refuge's herd includes approximately 650 of these herbivores.
The refuge's rugged landscape is the result of over half a billion years of geologic change and adaptation.
About the NWRS
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
A schedule of this year's Tours is available.Tour schedule
The goal of the refuge's fire management program is to enhance wildlife habitat on the refuge while reducing the possibility of damaging wildfires. We use fire to protect life and property and enhance natural resources.One of nature's tools...
Your inquiries have been heard and we are pleased to announce the Division of Refuge Law Enforcement, National Wildlife Refuge System Turn In Poachers, or TIPs, hotline.
Their songs are derived from a large syllable repertoire, an order of magnitude greater than that of other vireos.
Page Photo Credits All photos courtesy of USFWS unless otherwise noted.
Last Updated: Jun 12, 2015