The Roadside Trail is a moderately strenuous walk of 1.8 miles (2.9 km), one hour one-way, from Denali Visitor Center via the Tiaga Trail to Park Headquarters and the Sled Dog Kennels, with 350 feet elevation change, up to 15 percent grade, on a 36-inch compacted gravel surface. Highlights include aspen, birch and spruce forests.
Did You Know?
Visibility is an important component of measuring Denali's air quality. Visibility data, such as that from the Wonder Lake camera, supplements chemical data from filter samples. Air here is still clean, but traces of pollution from local, regional and international sources exists on filter samples.