The death of a Colorado man is under investigation in Yellowstone National Park.

According to a press release from Yellowstone Public Affairs, occupants of a watercraft on Yellowstone Lake in Wyoming discovered the body of 41-year-old Brandon Rhea, of Denver, on the morning of June 8. He was reportedly floating in the water in the area of Rock Point on the northwest shore of the lake near Bridge Bay.

Rhea’s body was recovered from the lake by National Park Service rangers, along with a capsized kayak and some of his personal belongings. At this time, no additional information is available and the investigation into Rhea’s death is ongoing.

Found at about 7,733 feet above sea level, Yellowstone Lake is the largest lake above 7,000 feet of elevation in North America. According to the National Park Service, it’s roughly 20 miles long and 14 miles wide with 141 miles of shoreline and a surface area of about 132 square miles. It’s notably quite cold year-round, with an average water temperature of about 41 degrees. Given its frigid nature, entering the water is ill-advised with the park pinning survival time once someone is in the water at about 20 to 30 minutes.

Condolences go out to those impacted by Rhea’s death.

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