Sylvan Pass Winter Status
Sylvan Pass Winter Travel
Some sources of the data include the following web sites:
Sylvan Pass may be temporarily closed to all travel when avalanche forecasting shows travel is unsafe. It will remain closed until forecast conditions permit Yellowstone National Park employees to conduct avalanche hazard mitigation operations and groom the route for motorized oversnow travel.
See Current Conditions and Updates for other related seasonal information.
Did You Know?
Even though the animals of Yellowstone seem tame they are still wild. Feeding the animals is not permitted in any way, and all visitors must keep 100 yards away from wolves and bears, and 25 yards from other animals.