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Remains of Missing Quebec Hiker Found on Allen Mountain Trail

Leo Dufour, 22, disappeared during a November 2024 hike in New York's Adirondacks; authorities continue investigating the cause of death.

Leo Dufour is shown in a handout photo from the New York State Police Facebook page.
The body of Leo Dufour, a 22-year-old man from Vaudreuil, a suburb west of Montreal, was found off Allen Mountain trail in Essex County, the New York State Department of Environmental Conservation confirmed in a statement Sunday.
A multi-agency search for Léo Dufour, 22, was announced last December after he failed to return from a planned one-day hike.

Overview

  • Leo Dufour's remains were discovered on May 10, 2025, by hikers off the Allen Mountain trail in Essex County, New York.
  • Dufour, a Quebec resident, went missing on November 30, 2024, during a planned one-day hike in the Adirondack Mountains.
  • A multi-agency search was launched in December 2024, but harsh winter conditions delayed efforts until spring 2025.
  • Authorities confirmed Dufour's identity after forest rangers and investigators responded to the discovery site.
  • The cause of Dufour's death remains undetermined, and investigations are ongoing as officials extend condolences to his family.