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354 encounters
18 August 2001 Arnold, Calaveras County, California Class B #3021

Campers hear early morning screams near Calaveras Big Trees

A group camping in the Sierra foothills was awakened before dawn by prolonged loud screaming vocalizations occurring in repeated series. The sounds began at 4:45 a.m. and continued for about 20 minutes, with additional shorter series afterward and again around 6:30 a.m. from a different direction. Six campers heard the sounds, which the reporter felt resembled reference recordings and were not known forest animal sounds.

Scream
9 August 2001 Viola, Shasta County, California Class B #3029

Couple hears late night screams near Viola

The witness and his wife were sleeping in a small cabin near Viola when the wife woke the witness after hearing a strange sound. The witness then heard a loud, repeated scream-like call lasting about 25 seconds from some distance away. He did not recognize it as a known animal but later found it matched sounds on bigfoot-related sites, while stating he could not say what it was.

Scream
7 August 2001 Weaverville, Trinity County, California Class B #8729

Young couple have unusual late night experience near Weaverville

A couple sleeping in a rented fifth-wheel trailer at a campground were awakened around 2 a.m. by sounds outside. The wife reported padded footsteps circling the trailer, followed by pressure on the exterior step that shook the trailer while their normally vocal dog stayed silent. The occupants remained inside in fear and later closed windows and fell asleep; companions camped nearby said they heard nothing.

FootstepsVehicle contact
1 August 2001 Sugar Pine, El Dorado County, California Class B #3794

Campers hear more nighttime vocalizations at Sugar Pine Campground, on the west side of Lake Tahoe

The witness and a relative were camping overnight when they heard a loud whooping sound nearby followed by loud crunching like branches breaking. A girl was heard screaming after the whooping. In the morning they found large footprints near their tent measuring about 12 to 16 inches long, which they felt were too large for a bear.

WhoopMovement onlyTracks
June 2001 Mineral King, Tulare County, California Class B #6922

Campers have rocks thrown at them near Mineral King

Four people camped overnight in a remote pine forest after hiking all day to the spot. Around 1 a.m. large rocks began falling around their tents for several hours, despite no cliffs or steep grade that could explain natural rockfall, accompanied by very loud branch cracking. The witness got up repeatedly to look but saw nothing that could explain the activity, except a deer that stayed in camp until the disturbance stopped.

Rock throwingUnidentified sound
21 May 2001 Orick, California #gid://art19-episode-locator/V0/TY2oDERxCQLmzCyeNUqKE1Rhg0TzcFut3kAEoMOxmJc

Howl near Orick, California (2001)

The witness went to the clearing and made loud calls, then heard a howl turn into a roar approaching for about 40 minutes. Two or three unseen individuals roared, knocked, broke a treetop, circled, bluff-charged the tree stand, and growled close behind him with strong physical effects and a perceived mental threat. He fled to his truck, found his dog hiding, got briefly stuck while turning around, heard pursuit downhill, and drove to a mill and bars seeking a witness.

HowlVocalizationChatterGrowlWood knock +2
15 May 2001 Twain Harte, Tuolumne County, California Class B #7299

Couple hear strange nighttime screams near Twain Harte

The witness and his wife had just finished dinner at home when he let two small dogs out after sunset. He then heard a loud scream and rustling, called for the dogs to be let in, but only one returned and the other was never found. He contacted wildlife authorities and continued to hear similar sounds from the forest behind the home.

ScreamPossible misidentification
3 May 2001 Mammoth Lakes CA, Mono County, California Class B #3105

Campers hear late night scream near Mammoth Lakes

The witness and a companion were at a cabin late at night preparing a truck for departure when they heard three very loud, long screams that started very close and then sounded progressively farther away. They checked the area with headlights, saw nothing, noticed lights from another cabin in the distance, and then secured themselves inside for the night. The witness felt the sound was threatening and unlike familiar animal sounds, but retained doubt about a natural explanation.

Scream
1 May 2001 Mammoth Lakes, Mono County, California Class B #2942

Brothers hear late night howl in Mammoth Lakes

The witness was sleeping in a tent at a campground in Mammoth Lakes when the dog woke them whining and pacing. They then heard a long repeating howl that lasted several minutes and also woke the witness's brother. Both later agreed the sound matched howl recordings on the BFRO website. The dog remained frightened throughout the howling.

Howl
May 2001 Johnson, Humboldt County, California Class A #2755

While conducting sound survey project, two team members see Bigfoot

A team of four was conducting a nighttime sound survey from a clear-cut overlooking a river valley while one member did a live radio interview from a parked vehicle near the treeline. The interviewer heard repeated charging sounds, footfalls and a grunt-growl from dense brush a few feet away while two teammates uphill watched with a night-vision device. The uphill observers reported a huge 8-foot-plus figure about 25 feet away leaning side to side to look through the trees and moving its arms. The episode lasted about 30 minutes, followed later by a distant scream, and a next-day search found disturbed soil but no footprints.

Partial sightingFootstepsGrowlMovement onlyAnimal behaviour
March 2001 Twain Harte, Tuolumne County, California Class B #3072

BFRO Investigators detail activity around Twain Harte

Investigators found fresh broken trees, dozens of footprints and two nests where a trail crossed a road and staked out the spot. No creature was seen, but something large moving on two feet approached the stakeout before fleeing downhill through brush when a car passed. The sign was documented the next day with footprint and tree-break measurements and a body-length impression in one nest.

TracksTree breakStructure or nestFootstepsMovement only
March 2001 Alturas, Modoc County, California Class B #2255

Woman hears late night howl near Alturas

Late at night the witness walked downhill to close a gate with her dog. She heard a strange eerie howl twice from nearby and could not see the source even with a flashlight. Her dog fled to its doghouse and neighborhood dogs remained silent.

Howl
Winter 2001 Redding, Shasta County, California Class A #11986

Daylight sighting by guide and two tourists at Lake Shasta Caverns

The witness, a tour guide, was waiting at the mountain-top cavern entrance with two tourists for the return bus on a cloudy day. They heard repeated thumping and noticed treetops moving along a ravine about 200 yards away, then briefly watched a huge bipedal figure with swinging arms run downhill toward the lake and disappear while footfalls remained audible. The witness radioed for the bus and left with the group, later quitting the job to avoid being alone on the mountain.

Full-body sightingFootsteps
18 August 2000 Ruth, Trinity County, California Class B #533

August 18th 2000 camping trip in Six Rivers National Forest, family hears screams

The witness and her husband were camping in a dispersed site when they heard a prolonged strange vocalization that moved along a rocky creek bed from one side of camp to the other over several hours. Their dogs acted frightened, trying to get into the tent rather than barking. The witness compared the sound to a recorded scream from a nearby county and could not identify it as a known animal.

Vocalization
9 August 2000 Between Eureka And Crecent City, Oregon, Humboldt County, California Class B #369

Possible vocalizations heard by backcountry hikers in Redwoods National Park

Two backpackers hiked off trail and camped in a small canyon in Redwood National Park. Around 7 p.m. they heard a short scream nearby, after which the forest became very quiet. Around 10:30-11 p.m. they heard prolonged rhythmic wailing or howling from a surrounding ridge for several minutes before going to sleep and leaving the next morning.

ScreamHowl
31 July 2000 Sugar Pine, El Dorado County, California Class B #3822

Campers hear nighttime vocalizations at Sugar Pine Campground on the west side of Lake Tahoe

The witness was camping with family at Sugar Pine Campground when whooping and long wailing sounds were heard coming from the forest behind the camp. Frightened, the witness ran into the family trailer. Years later the witness heard similar recorded sounds online and concluded the sounds had been those of a sasquatch.

WhoopScream
July 2000 I Cant Remember, El Dorado County, California Class A #913

Hikers see creature in Desolation Wilderness

The witness and a companion were hiking in the afternoon when they heard movement in the brush. The witness then saw a large hairy creature with yellow eyes walking away and noticed a garbage-like smell. The witness attempted to photograph it but could not get a clear shot because it kept moving in and out of trees.

Partial sightingFootstepsOdor
July 2000 Placerville, El Dorado County, California Class B #6130

Hikers hear strange screams in the Desolation Wilderness

The witness and a relative camped at Rockbound Lake in Desolation Wilderness. Late at night they heard three very loud high-pitched screams from across the lake. Just before dawn the next morning they heard a series of very loud roars from multiple directions around the lake, including one very close behind camp, then searched the area but saw nothing.

ScreamGrowl
June 2000 Foresthill, Placer County, California Class B #502

Three people report screams near Foresthill

The witness was camping with two relatives when they heard a resonant moaning wail off and on for hours. The sound seemed to move around the hillside and appeared to involve two sources calling to each other. The group searched with lights and by vehicle but saw nothing. The noises continued until the early morning when the group went to sleep.

Howl
June 2000 Orick, Humboldt County, California Class A #1727

wildlife biological technician sees Bigfoot while working in the woods

Two wildlife technicians were bushwhacking downhill at twilight while carrying caged mice when they heard a heavy animal moving around them on two legs, at times behind them and then ahead of them. One of them then watched a large dark animal dash across the trail on two legs with a quick agile motion. Both men heard the movement, but only one saw the animal.

Full-body sightingFootstepsUnidentified sound