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Heavy Rains Collapse Iconic Hoodoos in New Mexico's Desert Landscape

New Mexico’s iconic hoodoo rock formations collapsed after unprecedented rainfall, prompting urgent safety warnings and scientific investigations into accelerated desert erosion.

By Quanta ReportSource: apnews.com2 min read

In brief

Extremely heavy rains fell over New Mexico on April 9, 2026, loosening the dry sand and eroding the shoulders of the region’s towering hoodoos. The ensuing collapses left a landscape of broken pillars and exposed cliffs, sparking caution for visitors and a scientific push to quantify the rapid erosion under unprecedented wet conditions.

On Monday, April 9, 2026, a severe rainstorm swept through the arid southeastern portion of New Mexico, tearing apart the delicate hoodoo rock formations that have stood as granite spires for millennia. Local officials reported that the storm—part of a broader wet‑weather event that also flooded roads—topped up dry washes, turned them into violent streams, and washed away the erosion‑prone shoulders that balance many of the wild shelters. As water rushed into the seams of the sandstone columns, the usual weight of weather has turned into an abrupt force that fractured pillars and created wide gaps where iconic cliffs once drew hikers and photographers.

The hoodoos, defined in geology as tall, narrow spires of sediment that have leaned over centuries, were suddenly agitated by a deluge that began on July 18, according to the Associated Press. The rapid rainfall saturated the surrounding soil, creating a sudden pent-up pressure that the columns could no longer support. As a consequence, several pillars collapsed within a matter of hours, sending loose rock and sediment into surrounding wash beds and causing portions of the cliffs to become unstable.

Immediately following the event, state agencies issued a warning to residents and tourists: the terrain is now unstable and should be avoided. The National Forest Service advised visitors to steer clear of exposed formations and to adhere to any temporary trail or access restrictions that local authorities placed. Several small roadside parks in and around Taos went temporarily closed to prevent injury from falling rocks.

Scientific Investigation into Rapid Erosion

Scientists stamp amid the debris to gauge the speed and magnitude of erosion under the new wet conditions. While the Associated Press does not report specific data, experts note that the sudden change from an arid environment to a soaked one dramatically accelerates weathering processes on the sandstone. The resulting instability shines a spotlight on how climate events—particularly unprecedented rainfall—can shift the balance of ancient sedimentary structures that have otherwise persisted across geological timescales.

Geology students and climate researchers alike have begun systematic studies, employing high‑resolution digital elevation models to track how the once‑stable pillars are shifting. By comparing before‑and‑after satellite imagery, researchers can calculate erosion rates that may be several orders of magnitude larger than those observed in typical desert weather. The data could help refine models that predict how other desert landscapes will respond to future storms.

Impact on Local Economy and Tourism

The sudden collapse has meant an ongoing interruption in the region’s tourism sector, a primary source of income for many local businesses that depend on hiking, sightseeing, and photography. Tour operators in Taos and neighboring communities report a noticeable decline in visitor numbers, and several guide services have paused trips to the sites now deemed risky. The Associated Press notes that a temporary decrease in footfall is expected, but some community leaders hope that ongoing monitoring will help the environment settle into a new, more stable configuration, potentially restoring interest once safety can be assured.

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(Note: The AP quotes no direct speaker.)

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