2013 Map of Carter Lake Reservoir

About this map

Carter Lake Reservoir dominates this landscape along the eastern edge of the Front Range, illustrating a sophisticated network of water management as the foothills meet the plains. The western half is defined by the steep relief of Flatiron Mountain and the secluded Chimney Hollow, while the eastern side transitions into the irrigated agricultural lands surrounding Berthoud. This 2013 survey provides a detailed look at the infrastructure of the Colorado-Big Thompson Project, featuring the Flatiron Penstocks and Flatiron Reservoir alongside an extensive system of irrigation channels like the Saint Vrain Supply Canal and Handy Ditch. Local history is anchored by the Charlie Stevens Grave and several private airstrips, including Skywagon Ranch Airport and Pond's Field Airport, which reflect the area's rural-residential character. The boundary between Larimer and Boulder counties cuts across the southern portion near Culver Gulch, where the terrain begins to flatten toward the Little Thompson River.