Sylvan Pass (Wyoming)

Sylvan Pass (el. 8,524 feet (2,598 m)) is a mountain pass located in the Absaroka Range in Yellowstone National Park in Wyoming. The pass provides access to the park from the east entrance.

Sylvan Pass
Sylvan Lake on Sylvan Pass
Elevation8,524 ft (2,598 m)[1]
LocationPark County, Wyoming,
United States
RangeAbsaroka Range
Coordinates44°27.9′N 110°7.7′W

The pass was named after nearby Sylvan Lake (derived from medieval Latin sylvānus, from Latin Silvānus, god of the woods, from silva, forest), and was formed by frost action breaking the rocks. The park road through the pass was closed during winter but is now open to visitors throughout winter. The road is maintained to allow access via snowmobile, snow coach, and cross-country skiing. In the 2007–08 season it cost the parks service in excess of $200,000 to keep it open and avalanche control measures were put in place.

The Sylvan Pass route is the only way to enter/exit Yellowstone National Park from the East Entrance.

The original road through the pass was designed by Captain Hiram Chittenden of the Army Corps of Engineers.

  • Sylvan Pass Loop, East Side, 1921
  • 1st automobile over pass, 1914

Notes
  1. "Sylvan Pass". Geographic Names Information System. United States Geological Survey.


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