The flat, scenic loop around Wonderland Lake is a great place for easy runs or a launching off point for longer, traffic-free trail runs.

Wonderlake Lake/Foothills Trail

Twin Lakes Open Space is a hidden gem in the Gunbarrel area of Northeast Boulder.

Twin Lakes Open Space

March 12, 2019 Comments Off on Switzerland Trail Boulder Running Routes

Switzerland Trail

West Boulder/Foothills

Switzerland Trail
Difficulty:Moderate
Dogs:Yes
Bathrooms:No
Getting There:The Switzerland Trail can be accessed from a trailhead near the top of Sugarloaf Mountain by taking Boulder Canyon Drive to Sugarloaf Road and driving about 5.5 miles west to the trailhead situated at about 9,100 feet. Another key access point to start a run is at an area known as Gold Hill Station about 2.5 miles west of the town of Gold Hill.

The Switzerland Trail follows the old right-of-way of a narrow gauge railroad that operated between Boulder and several mining towns from the 1883 until 1919. Because railroads ran on mild to moderate grades of 3 to 6 percent, the switch-backing dirt roads left behind where the rails once were are now ideal for trail running. There are a few different routes that can be made with connector trails, but the most obvious is a 17-mile roundtrip that can be made running from the Sugarloaf Mountain downward to the town site of Sunset and up to Gold Hill Station (on Gold Hill Road, 2.5 miles west of the town of Gold Hill) and back. Despite 1,500 feet of climbing in each direction, the wide dirt roads are fairly easy to run and offer great views.

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