1957 Map of Berthoud Pass

About this map

Arapaho National Forest defines the high-altitude landscape of this mid-century survey, centered on the crossing at Berthoud Pass. The map captures a moment of mountain infrastructure and recreation, featuring the First Creek Ski Cabin and several campgrounds including Spruce Lodge Campground and the DAR Campground. The Continental Divide winds through the southern half of the sheet, forming the boundary between Grand and Clear Creek counties. Significant engineering works are visible under the high peaks, notably the Vasquez Tunnel and Jones Pass Tunnel, alongside the Berthoud Pass Ditch. Mining history is represented by the Urad Mine and Colorado Mines Peak, while the headwaters of the Fraser River and Vasquez Creek drain the slopes. The presence of numerous trails, such as the Mt Nystrom Trail and Mary Jane Ski Trail, underscores the area's transition toward a hub for alpine exploration and winter sports.