Sylvan Pass is a high mountain pass at an elevation of 2.607m (8,553ft) above the sea level, located on the boundary of Teton and Park counties, in northern Wyoming, in USA.
Located in the Absaroka Mountains within the Yellowstone National Park, the road to the summit is paved. It’s called E Entrance Road and is closed in winters. It was built in 1914. The pass was named after nearby Sylvan Lake.
The drive is very scenic. The pass is 125km (77.8 miles) long running west-east from Lake Village (in Teton County) to Cody (in Park County). Risk of avalanches.