"Field of wildflowers" by Intermountain Forest Service, USDA Region 4 Photography , public domain

West Yellowstone

Snowmobile South

Map of Snowmobile Trails (South) of West Yellowstone in Idaho, Montana and Wyoming. Published by the U.S. Forest Service (USFS).

Map of Snowmobile Trails (South) of West Yellowstone in Idaho, Montana and Wyoming. Published by the U.S. Forest Service (USFS).

source

U.S. Forest Service (USFS), January 2017

also available

National Parks
USFS NW