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21-year-old hiker found dead after apparent fall near Granite Peak identified by authorities

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PARK COUNTY MONTANA — A hiker who was found dead after an apparent fall near Granite Peak on Thursday was identified by the Park County Sheriff's Office on Monday.

The hiker was identified as 21-year-old Jackson Slimak of Connecticut, according to an update shared by the Park County Sheriff’s Office on Monday.

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According to Park County Sheriff Tad Dykstra, an autopsy will be performed, and Park County will conduct the coroner's investigation because of where the man was found.

The sheriff’s office said there was no indication of suspicious activity, adding that Slimak’s death appears to have been accidental. The investigation into his death is now closed.

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A Bozeman man hiking in the area of Granite Peak was found dead from an apparent fall on Thursday, Aug. 27, 2026.
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Because the proximity of the search area was near 3 county lines, numerous agencies and resources responded, including:

Stillwater County Sheriff’s Office/Search and Rescue
Carbon County/Red Lodge Fire/Search and Rescue
Park County (Montana) Sheriff’s Office/Search and Rescue
Gallatin County Sheriff’s Office/Search and Rescue
Yellowstone County Sheriff’s Office
Park County (Wyoming) Sheriff’s Office/Search and Rescue
Big Horn County (Wyoming) Sheriff’s Office/Search and Rescue
Montana Army National Guard
US Air Force
Central Copters (through Gallatin County)

This is a developing story and will be updated if more information becomes available.