Before Lake Powell, Glen Canyon was a seasonal hub for ancient hunters and farmers

Countries & Cities · Published 15 October 2026 Swipe more like this →

In short: Long before the Glen Canyon Dam submerged much of this landscape under hundreds of feet of water, the canyon served as a vital resource for prehistoric peoples. Archaeological surveys suggest these groups lived in nearby highlands, using the canyon primarily for seasonal farming, hunting, and harvesting raw materials for tools.

The prehistoric occupation of Lower Glen Canyon is categorized into several eras, spanning from AD 1 to the 15th century. Evidence from the Late Basketmaker II period, dated between AD 250 and 440, shows that inhabitants utilized slab-lined cists for storage. While the later Pueblo I and II eras left behind distinct ceramic styles like Tusayan Gray and White Wares, permanent settlements were rare. Excavations conducted between 1958 and 1960 revealed that most sites were not year-round homes but rather temporary camps. The lack of formalized agricultural fields and the absence of well-constructed mealing bins in the main canyon suggest that families maintained permanent residences on the nearby Cummings Mesa and Paiute Mesa, descending into the canyon only to farm or hunt.

The canyon was also a significant industrial site for stone tool manufacturing. Because the highlands lacked sufficient siliceous material, inhabitants relied on the Pleistocene gravel beds found along the river to create chipped implements, including knives and arrowheads. These finished tools and blanks were likely traded back to the mesa communities. Beyond these practical artifacts, the canyon walls feature extensive petroglyph panels depicting mountain sheep, human figures, and geometric patterns—artistic expressions that are notably absent from the adjacent highland regions.

The modern history of the canyon shifted dramatically in the 1950s. While environmentalists successfully blocked the proposed Echo Park Dam, Glen Canyon lacked similar protection, leading to the construction of the Glen Canyon Dam in 1963. This created Lake Powell, which inundated much of the original landscape. The loss of this area became a rallying cry for conservationists like David Brower, whose experience floating the river before the dam's completion radicalized his approach to environmental preservation. Today, the area is managed as the Glen Canyon National Recreation Area, though organizations like the Glen Canyon Institute continue to advocate for the dam's removal and the restoration of the canyon's original, undeveloped state.

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