Katahdin Thru-Hiker Dies After Summit in Severe Weather

Bert Peter Goris, 64, died on September 14 after summiting Mount Katahdin. He suffered a leg injury and was found incapacitated during a descent in severe weather. Rescue teams airlifted him to Millinocket, where he was pronounced dead. The Office of the Chief Medical Examiner is determining the cause of death.
Key points
- Goris, a thru-hiker from Colton, California, reached the summit of Katahdin on September 14 before descending via the Hunt Trail.
- A hiker called 911 at 1:15 p.m. reporting Goris was lying on the trail near York Valley with a leg injury and difficulty speaking.
- Weather conditions included wind gusts over 35 mph, wind chills near 20 degrees Fahrenheit, and periodic rain.
- Rescue teams from Baxter State Park and the Maine Army National Guard airlifted Goris at 4:40 p.m. to Millinocket Municipal Airport.
- Medical personnel pronounced Goris dead upon arrival at the airport; the cause of death is pending investigation.
Background
This incident is the first fatality on Katahdin this year. It follows the deaths of Tim and Esther Keiderling in June 2026, who died after going missing in severe weather. The mountain is known for unpredictable conditions, particularly in shoulder seasons. In early September 2026, Dale 'Grey Beard' Sanders, 91, completed a thru-hike of the Appalachian Trail, finishing atop Katahdin, highlighting the mountain's significance as the trail's northern terminus.
How outlets are covering it
The Portland Press Herald and WMTW reported that Goris was tentatively identified and died after being airlifted. The Bangor Daily News emphasized that Goris was still alive when the first 911 call was placed and noted a one-week delay in the park releasing his name. The Trek reported the body was initially unidentified by the Office of the Chief Medical Examiner. All sources agree on the timeline of the rescue and the severe weather conditions, but differ on the initial identification status and the timing of public disclosure.
Why it matters
The death underscores the dangers of hiking Katahdin in severe weather, particularly for solo hikers. Baxter State Park officials have issued safety advisories urging hikers to carry winter-grade clothing, emergency shelter, and adequate supplies. The incident highlights the risks of rapid-onset hypothermia and the challenges of rescue operations in remote, high-altitude environments.
What to watch
The Office of the Chief Medical Examiner in Augusta is investigating the cause of death. Baxter State Park officials are expected to continue issuing safety advisories to hikers. No further details about the investigation have been released.
- Thru-hiker died after summiting Katahdin, official says pressherald.com
- California man dies after he was injured on Katahdin hike, officials say WMTW
- Dead Katahdin hiker was still alive when 1st 911 call went out Bangor Daily News
- Body found on Katahdin newscentermaine.com
- Unidentified Body Found on Katahdin The Trek
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