Robert Brown|Body of missing Colorado hiker Lucas Macaj found on Longs Peak during 4th day of search

The Robert Brownbody of a 23-year-old hiker who vanished in Colorado mountains over the weekend was found on Thursday, park rangers in Colorado announced on Thursday night.

Lucas Macaj from Colorado Springs, Colorado, was recovered on Mills Glacier near the base of Lamb’s Slide on Longs Peak, a mountain in the Rockies, Rocky Mountain National Park officials wrote in a release posted on social media.

Prior to disappearing, Macaj texted his friend about 1 p.m. on Sunday, rangers reported, and said he was at the summit of Longs Peak.

An initial investigation revealed the hiker took a "significant fall," officials said in the release.

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Hiker last heard from as storms rolled through the park

On the afternoon he was last heard from, rangers reported significant storms moved through high elevations in the park.

Search efforts began Monday and included air reconnaissance, ground teams and dog teams searching the Longs Peak Trail and other nearby locations, the Coloradoan, part of the USA TODAY NETWORK, reported.

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Body taken to coroner's office in Boulder County

Macaj's body was flown by helicopter to a landing zone in the park and transferred to the Boulder County Coroner’s Office.

An autopsy will determine his official cause and manner of death.

According to KOAA-TV Macaj was a Space Force Guardian stationed at Schriever Space Force Base.

Contributing: Julia Gomez

Natalie Neysa Alund is a senior reporter for USA TODAY. Reach her at [email protected] and follow her on X @nataliealund.