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For Yellowstone National Park, Grand Teton National Park, and the John D. Rockefeller, Jr. Memorial Parkway
Yellowstone National Parks winter use: http://www.nps.gov/yell/planyourvisit/winteruse.htm
Snowmobiles Meeting Best Available Technology (BAT) Requirements
FONSI, 10/15/09
Winter Use Technical and Planning Documents
Final Rule Winter Use, 11/20/09
Visit our winter trip planning page for more information.
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Did You Know?Did you know that Grand Teton National Park is home to the largest bird in North America? The Trumpeter Swan weighs 20-30 pounds and lives in the valley year-round in quiet open water.more...
Last Updated: December 14, 2011 at 15:10 MST