This research uses environmental tracers to characterize the flow paths between groundwater aquifers and the emergence of water at seeps and springs on the south rim of the Grand Canyon. The article identifies the Redwall-Muav aquifer as the primary recharge source of seeps and springs, and also highlights the vulnerability of groundwater to depletion and contamination. Learn more ›
See a map of the areas the Dragon Bravo and White Sage fires burned on the north rim of the Grand Canyon in the summer of 2025, destroying the lodge and numerous other park buildings.
