1957 Map of Berthoud Pass

About this map

Arapaho National Forest defines this high-altitude landscape, where the Continental Divide separates the headwaters of the Fraser River and the West Fork Clear Creek. This mid-century survey documents the early recreational infrastructure of the region, including the First Creek Ski Cabin and the Mary Jane Ski Trail, long before the area became a major year-round destination. The topography is marked by significant engineering feats like the Jones Pass Tunnel and an intricate system of a Ditch and Aqueduct used for water diversion.