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
George Washington Memorial Park (Jackson, Wyoming) added to the antler arches the same year. George Washington Memorial Park (Jackson, Wyoming) George Washington Memorial Park is located at the center of Jackson, Wyoming. More generally known as "Town Square", the park is notable for its elk-antler arches at each corner of the park, collected from the nearby National Elk Refuge by Boy Scouts and periodically rebuilt. The square originally existed as an open space in the center of town that was made into a park in 1934. The park center also contains a stone memorial to John Colter. The Town Square originated as an open space in