Berthoud Pass, Mountain pass in Colorado, United States.
Berthoud Pass is a steep mountain pass on U.S. Highway 40 that separates Clear Creek and Grand counties. The road winds upward through numerous switchbacks, connecting both sides of the Rocky Mountains.
Edward Berthoud discovered this passage in 1861 while surveying for the Colorado Central Railroad. He determined the route was suitable for wagons but not for rail transport.
The pass marks an important section of the Continental Divide Trail, where hikers and outdoor enthusiasts experience this natural boundary and the landscape on both sides.
The road remains accessible year-round, though it is regularly cleared of snow during winter months. Visitors should prepare for steep grades and potentially challenging conditions during colder seasons.
This area contains more than 50 mapped avalanche paths, making the terrain particularly hazardous. An automated propane-fueled avalanche mitigation system was installed in 2015 to protect travelers.
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