A climber died after falling from Castle Peak, a 14,000-foot mountain in Colorado, during Labor Day weekend.

On Sunday, Sept. 6, the Gunnison County Sheriff’s Office was notified of a fallen climber on the north face of Castle Peak, south of Aspen, Colorado, according to a press release from Mountain Rescue Aspen. The Gunnison County Sheriff’s Office asked for assistance from the Pitkin County Sheriff’s Office at 12:41 p.m., due to the location and its proximity to the incident.

Mountain Rescue Aspen deployed team members via off-highway vehicles to the upper Montezuma parking lot while Flight for Life located the climber from the air.

photo from mission to recover fallen climber.Mountain Rescue Aspen/Facebook

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Once a Flight for Life team spotted the climber, they returned to Aspen to transport additional Mountain Rescue Aspen team members to the area.

“Mountain Rescue Aspen personnel reached the climber at approximately 3:58 p.m. and determined the individual had sustained injuries that were not survivable,” Mountain Rescue Aspen said.

The climber, whose identity was not released, was evacuated from the mountain using a technical lowering system.

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PEOPLE reached out to the Pitkin County Sheriff’s Office and Mountain Rescue Aspen for comment.

“The climber who fell off of Castle Peak from an apparent fall did succumb to his injuries and was found deceased upon rescuer arrival,” Rescue Leader Coordinator Jeff Edelson told The Aspen Times.

The mission required 21 members, all of whom were out of the field at 8:14 p.m., according to Mountain Rescue Aspen’s press release.

Mountain Rescue Aspen and the Pitkin County Sheriff’s Office encouraged backcountry travelers to prepare for their outing, familiarize themselves with their route and conditions, and understand the limits of their experience and abilities.

While Castle Peak is “considered one of the easier peaks in our range to climb,” Edelson told The Aspen Times, he called the tragedy “a good example that accidents can happen anywhere, and people need to be careful.”

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The Pitkin County Sheriff’s Office also thanked the all-volunteer team members of Mountain Rescue Aspen and Flight for Life for their role in the mission.