Class B First-hand BFRO #57484

Camper hears possible vocalizations after dark near Cooper Lake

May 2017 just after dark, around 9:30pm Roslyn, Kittitas County, Washington 3 witnesses

Account

Three friends set up camp after moving a fallen live tree that blocked the road. After dark they heard loud rapid trill vocalizations that approached very quickly, then something struck or pushed their truck. They heard wood knocks through the night while remaining awake in fear.

Summary drafted by AI from the source report and checked by code before I publish it. The witness's own words remain with the publisher — read the original report .

What was reported

Every kind of observation in the account. Select one to find other encounters with it.

Physical traces

Interaction

Facts & provenance

Each value names where it came from.

Date
May 2017
Stated BFRO report #57484 · BFRO report, labelled fields: Year, Month
Time of day
just after dark, around 9:30pm
Stated BFRO report #57484 · BFRO report, “Follow-Up” section
Place
Roslyn, Kittitas County, Washington
Stated BFRO report #57484 · BFRO report, labelled fields: State, County, Nearest Town, Location Details, Nearest Road
Map point
47.42, -121.14 (± 1000 m)
Stated BFRO map layer · BFRO published map layer · read with 85% confidence
BFRO map layer point for report 57484 with published boundary
Account type
First-hand
Stated BFRO report #57484 · BFRO report, “Observed” section
Witnesses
3
Stated BFRO report #57484 · BFRO report, “Other Witnesses” section
Witness was
camping overnight with friends
Stated BFRO report #57484 · BFRO report, “Observed” section
Witness's word for it
Bigfoot
Stated BFRO report #57484 · BFRO report, “Observed” section · read with 70% confidence
Source classification
Class B
Stated BFRO report #57484 · BFRO classification label

Evidence & investigation

What the source says was found or done. Claimed evidence is listed as claimed; the Anomadex has not examined it.

Investigated by
Kevin Llewellyn (BFRO)
Tree damage

live tree with root ball blocking road entrance that had to be slid aside

Measurements: seven inches in diameter; thirty to fifty feet long

BFRO report, “Follow-Up” section
Tree damage

small tree with spiral split break near ground at nearby campsite

Measurements: five to six feet tall; four inches diameter

BFRO report, “Follow-Up” section
Follow-up

An investigator spoke to the witness by phone and recorded additional details and measurements.

BFRO report, “Follow-Up” section

Source timeline

Every record this entry is built from, earliest known first. Records are versioned and never edited in place.

  1. Published 2017-05-14 Retrieved 2026-09-24 Version 1 Hash 1bc3e30f0732
    BFRO - Bigfoot Field Researchers Organization
  2. BFRO map layer Reference
    Retrieved 2026-09-24 Version 1 Hash cfb8a3d423b7
    BFRO - Bigfoot Field Researchers Organization

The report refers to

  • “other reports of vocalizations and a lot of sightings in the Cle Elum/Roslyn area”
    Not in the Anomadex yet