Fremont Pass

Driving to summit of Fremont Pass

Fremont Pass is a high mountain pass at an elevation of 3.450m (11,318ft) above the sea level, located on the border of Lake County and Summit County, in central Colorado, USA.

Located in the Rocky Mountains of central Colorado, the road over the pass is called State Highway 91. It’s asphalted. The only steep part is the switchback on the final ascent toward the Climax mine on the south side. The final assault, about a mile from the top, brings you in at steady 5%, but a short section hits 7.5%. The rest of the pass is gentle. The pass is located between the towns of Copper Mountain and Leadville.

This road is usually open all year, but it can be closed anytime when the access is not cleared of snow. The pass hosts the Climax molybdenum mine. It was once the world’s leading producer of molybdenum, accounting for 75 percent of the world’s supply. Highway 91 heads south toward the pass and is a surprisingly straight road for a pass with only a few turns near the summit. Note that there are a couple false summits before you reach the true summit at the mine.


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NOTICE: Due to the spread of COVID-19, many points of interest and roads are closed and travel is not recommended. Please follow all local health authority directives before venturing off, and stay safe.