Glen Canyon Dam, located near Page, Arizona, is a monumental concrete arch-gravity dam that spans the Colorado River, creating the expansive and scenic Lake Powell. Completed in 1966, the dam stands 710 feet tall and serves multiple purposes, including hydroelectric power generation, water storage, and flood control. Visitors to the area can explore the Glen Canyon Dam Overlook for sweeping views of the dam and canyon below or tour the Carl Hayden Visitor Center to learn about the dam’s engineering and environmental history. As a gateway to Lake Powell and part of the larger Glen Canyon National Recreation Area, the dam is both a marvel of modern infrastructure and a hub for outdoor adventure and exploration in the American Southwest.