Grand Teton National Park 10 years old and have odometer readings of less than . Additionally, snowmobile use is for the purposes of accessing ice fishing locations only. Snowmobile access was permitted between Moran Junction and Flagg Ranch adjacent to the John D. Rockefeller, Jr. Memorial Parkway so that travelers using the Continental Divide Snowmobile Trail could traverse between Bridger-Teton National Forest and Yellowstone National Park. However, in 2009, winter use planners closed this since unguided snowmobile access into Yellowstone National Park was also discontinued. The Craig Thomas Discovery and Visitor Center adjacent to the park headquarters at Moose, Wyoming, is open year-round. Opened
Wyoming Marathon Wyoming Marathon The Wyoming Marathon Races are a series of running races held annually in Medicine Bow National Forest between Laramie and Cheyenne, Wyoming. The course for the half marathon, marathon, and double marathon all start at the Lincoln Monument Rest Area off I-80. The course is an out-and-back through the roads of Medicine Bow National Forest, starting at an elevation of 8,700 ft. and dropping to 8,000 ft. at the lowest point of the marathon and double marathon course. Runners competing in the double marathon run the full marathon course twice (two out-and-backs), covering 52.4 miles total. The Wyoming