Flash Flood Traps Hikers in Little Wildhorse Canyon, Rescued Safely

A very isolated storm formed directly above Little Wildhorse Canyon on April 1, 2026, and the water came fast. Ten hikers working through the popular San Rafael Swell slot canyon, located just outside Goblin Valley State Park's boundaries, were caught in sudden flash flooding at around 2:53 p.m. MDT and swept down the narrow passage before they could reach high ground.

A search and rescue operation ensured that 10 individuals made it out of Little Wildhorse Canyon after the flash flood swept through. Six of them were quickly located by park rangers after calling the Emery County Sheriff's Office for help. The remaining four, still unaccounted for after the initial rescue, managed to make their way out of the canyon on their own, emerging just after dark.

The response drew personnel from six agencies: Goblin Valley State Park rangers, Emery County Sheriff's Office, Emery County Search and Rescue, Emery County EMS, DNR Law Enforcement, and Green River State Park rangers. Rescuers escorted the hikers back to the trailhead, where all ten were treated for minor injuries.

The conditions were not a surprise, at least not on paper. The area carried an 80% chance of rain with heavy cloud cover forecast for the day. The National Weather Service in Salt Lake City issued a Flash Flood Warning for Little Wildhorse slot canyon, noting that other slot canyons in the vicinity were also likely experiencing flash flooding at the same time.

Goblin Valley State Park described the incident as a "terrifying ordeal" in a press release, but confirmed rescuers were able to reach the hikers and guide them out to safety. The park did not hold back on the broader message: "These hikers, along with dozens of others who braved the canyons today, were truly lucky," officials said.

The flash flood was caused by a "very isolated storm" that formed over the canyon, forcing the hikers to seek high ground to escape the floodwaters. That's the specific danger with slot canyons like Little Wildhorse: the storm doesn't have to be overhead where you're standing. Rain falling miles away on the plateau above can funnel into these tight corridors with almost no warning, and the narrower the walls, the faster the water moves.

The park's message after the rescue was direct: "This was a scary time for everyone involved, and a good reminder of the power of nature and risk involved in slot canyons!" An 80% rain probability on the day's forecast is not a marginal call. Ten people got a second chance at understanding that.