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Science & Nature • Wildlife

Timothy Treadwell

Timothy Treadwell was an American bear enthusiast, environmentalist, and documentary filmmaker known for spending 13 summers living among coastal brown bears in Katmai National Park, Alaska.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated September 11, 2026|2 min read| Fact-checked

Timothy Treadwell was an American bear enthusiast, environmentalist, and documentary filmmaker known for spending 13 summers living among coastal brown bears in Katmai National Park, Alaska. He founded the bear-protection group Grizzly People and became the subject of Werner Herzog’s documentary *Grizzly Man*. Treadwell and his girlfriend, Amie Huguenard, were killed by a bear in 2003.

Early life

Timothy Treadwell was born Timothy William Dexter on April 29, 1957, and later became known for his work around wildlife and conservation messaging.

Work with bears

Treadwell became known for spending multiple summers in Katmai National Park observing and filming coastal brown bears at close range. He presented himself as a protector of the bears and promoted public awareness through his organization Grizzly People.

Death

In October 2003, Treadwell and his girlfriend Amie Huguenard were killed by a brown bear at a campsite in Katmai National Park. Official reports state that both were mauled and partially consumed.

Legacy

Treadwell’s story attracted widespread attention after his death and was later adapted into the documentary film *Grizzly Man*. His approach to bear interaction remains controversial among wildlife experts and conservation observers.

Key facts

  • Treadwell spent 13 summers living among coastal brown bears in Katmai National Park.
  • He founded the bear-protection organization Grizzly People.
  • He was born Timothy William Dexter in 1957 and was American.
  • Treadwell and Amie Huguenard were killed and partially consumed by a bear in October 2003.
  • His life and death were the subject of Werner Herzog’s 2005 documentary *Grizzly Man*.
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Canadian context

Treadwell’s story is relevant to Canadian readers through broader North American wildlife conservation debates, especially discussions about human–bear interactions and wildlife safety.

Frequently asked questions

Who was Timothy Treadwell?
He was an American bear enthusiast, environmentalist, and filmmaker known for living among brown bears in Alaska and founding Grizzly People.
What was Timothy Treadwell known for?
He was known for spending 13 summers in Katmai National Park observing and filming coastal brown bears at close range.
How did Timothy Treadwell die?
He and Amie Huguenard were killed by a brown bear at a campsite in Katmai National Park in October 2003.
What is Grizzly Man?
*Grizzly Man* is Werner Herzog’s 2005 documentary about Treadwell’s life and death.
Did Timothy Treadwell found an organization?
Yes. He founded Grizzly People, a bear-protection organization.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Timothy_Treadwell
    Supports: Birth name, dates, nationality, occupation, 13 summers with coastal brown bears, and Grizzly People.
  2. National Park Servicehttps://www.nps.gov/aboutus/foia/upload/03-109_KATM_Treadwell_fatality_REDACTED.pdf
    Supports: Official account of the fatal bear attack, location, and that Treadwell and Amie Huguenard were mauled and partially consumed.
  3. Wikipediahttps://en.wikipedia.org/wiki/Grizzly_Man
    Supports: Connection to Werner Herzog’s 2005 documentary about Treadwell and Huguenard.
  4. Los Angeles Timeshttps://www.latimes.com/archives/la-xpm-2003-oct-08-me-bear8-story.html
    Supports: Reporting on Treadwell living among bears in Katmai and being found dead after a bear mauling.
  5. St. Augustine's Universityhttps://explore.st-aug.edu/exp/inside-the-deadly-delusion-the-unfiltered-truth-of-timothy-treadwells-wild-obsession-and-his-grizzly-life
    Supports: Mentions Grizzly People and his self-described conservation mission.