Tags: Mountain Pass.
Sylvan Pass (el. 8524 feet (2598 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.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.