Primary Evidence: Frame 352
The single clearest frame from the 1967 film. It captures the subject, "Patty," in a mid-stride turn, looking back towards the camera. All scientific analysis, anatomical debate, and enduring belief begins and ends with this image. It is arguably the most important single piece of evidence in the history of cryptozoology.
Read the Full Definitive Dossier →Event Timeline
October 20, 1967 (Approx. 1:30 PM)
Roger Patterson and Bob Gimlin encounter the creature at a bend in Bluff Creek. Patterson's horse rears, he dismounts, and films the subject for approximately 59 seconds.
October 20, 1967 (Approx. 2:00 PM)
After the creature disappears, the men cast two 14.5-inch footprints from the trackway left in the sandbar.
Late October, 1967
The film is developed. Patterson & Gimlin begin showing it to researchers and media, starting a worldwide phenomenon.
1968 - Present
Decades of intense scrutiny and analysis by scientists, researchers, and VFX artists begin, cementing the film's legendary and controversial status.
Interactive Satellite Map
Explore the Bluff Creek film site and the surrounding terrain. This live map is centered on the exact coordinates of the 1967 encounter. Use it to understand the remote and rugged nature of the location.
Field Intelligence: Notable Regional Reports
Note: BFRO classifies reports as Class A (clear sightings) or Class B (tracks/sounds).
Location: Humboldt County, CA (Approx. 15 miles SE)
(Class A - 1997): Hikers heard loud vocalizations and found a line of 17-inch tracks.
Location: Trinity County, CA (Approx. 45 miles E)
(Class A - 2004): Motorist observed a large, reddish-brown biped cross Highway 299 at night.
Location: Del Norte County, CA (Approx. 55 miles NW)
(Class B -
