Robbi Mecus, a New York State forest ranger who led search-and-rescue missions and became a prominent voice within the L.G.B.T.Q.
climbing community, died after falling about 1,000 feet from a peak at Denali National Park and Preserve in Alaska on Thursday.
She was 52. Her death was confirmed by the New York State Department of Environmental Conservation, where she worked for 25 years.
Ms. Mecus, who worked mostly in the Adirondacks, searched for and rescued lost and injured climbers facing hypothermia and other threats in the wilderness.