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66 encounters
9 September 2025 Mt. Baldy, San Bernardino County, California Class B #79256

Hiker hears distinct sasquatch vocalization near end of Mt. Baldy Road

On the morning of September 9, 2025, the witness parked at Manker Flats to prepare for a hike. While at the vehicle, the witness heard a very loud wail or scream lasting about 10-15 seconds from the north. The witness froze, then started a hike after a delay, having captured only the tail end of the sound on phone video.

Scream
12 August 2022 Susanville, Lassen County, California Class B #74829

Vocalization near Susanville, California (2022)

The witness, spouse, and dog were camping and cooking at a campsite after dark. They heard hoot-like calls from below, then a loud growl-howl about 100 yards behind them lasting seconds, followed by answering howl-scream calls from two other directions. They judged the sounds unlike known local wildlife and indicating communication among several sources. The dog hid in the car and the couple packed up in the dark and drove home the same night.

VocalizationGrowlHowlScream
16 January 2022 Redcrest, Humboldt County, California Class B #72111

Possible sasquatch vocals heard by hikers in Humboldt Redwoods State Park

A family group was finishing a hike on a familiar trail when they heard a loud, unfamiliar yell/scream that carried through the woods. Three members of the group who heard it stopped in their tracks, and the group felt watched until they drove away. The reporter noted the sound did not match familiar local animal sounds.

Scream
November 2019 Whitethorn, Humboldt County, California Class B #63645

Mattole River Watershed (Lost Coast region) resident reporting loud knocks and vocalizations

The witness reports waiting alone at dusk at the gated entrance to a remote conservation area when they heard a very loud unfamiliar wail/scream-like call from a wooded slope a few hundred meters away. After additional calls and a pause, a second similarly loud and unfamiliar call answered from a different direction a few hundred meters away. The witness interpreted the exchange as communication between two large unknown animals and doubted a prank due to the remoteness and solitary 45-minute wait.

VocalizationScream
30 September 2015 Lee Vining, Mono County, California Class B #49896

Possible encounter at night by hunters camping at Virginia Lakes

A family was camped in a trailer near a treeline with a deer carcass stored nearby. During the night the family was awakened by rocks hitting the trailer, knocking sounds, growls, screams and whoops. The witness later went outside with a flashlight and saw a single glowing red eye high in the treeline. In the morning stacked rocks were gone, footprints were found, and a large pine by the carcass had been pushed over.

Rock throwingWood knockGrowlScreamWhoop +3
24 September 2007 Inyokern Cailfornia, Kern County, California Class B #22598

Possible vocalizations heard outside Inyokern

The witness and a son were visiting relatives and were taken to a family gold mine and cabin area. After spending about an hour there and while preparing to leave, both heard a high-pitched scream likened to a woman hollering from a nearby ridge. They shouted back thinking someone was in trouble but received no reply. A relative who was present in a portable toilet did not hear the sound.

Scream
8 August 2007 Edited- Location Details Removed, Humboldt County, California Class B #23811

Campers hear multiple, pre-dawn vocalizations in Humboldt Redwoods State Park

The witness and family were camping on a hillside above a campground when they heard loud, prolonged human-like screams from the creek beds nearly every morning for eight days. The cries lasted about thirty seconds and repeated several times around 4:30 a.m., seeming to move toward and away from camp. On three mornings the witness tried to approach the source with a flashlight, but the sounds moved uphill toward the ridge without any brush noise heard.

Scream
19 November 2006 Twain Harte, Tuolumne County, California Class B #16722

Possible vocalizations heard by resident near Twain Harte

Late at night the witness took a dog outside and heard movement in the densely wooded backyard. The witness then heard a deep growl followed by a loud progressive scream that seemed non-human and kept hearing vocalizations after going back inside. The next morning the witness found disturbed underbrush and broken branches but no footprints.

FootstepsGrowlHowlScreamVocalization +1
21 October 2006 Long Barn, Tuolumne County, California Class B #23974

Camping couple report possible vocalizations outside Long Barn around 6:30 AM

The witness was lying awake in his tent on a family camping trip in the early morning when a loud scream was heard from the north. The scream lasted 20-30 seconds, paused, then repeated for a similar duration, sounding distant with a slight echo. His wife was also awake and heard it, and both recognized it as similar to alleged Bigfoot scream recordings they had heard before.

Scream
August 2006 [edited -- Location Details Removed], Humboldt County, California Class B #15652

Possible vocalizations heard in Humboldt State Redwoods

While camping with a partner and a neighboring camper, the witness heard prolonged guttural howling at dawn. The howling lasted about three minutes, paused, then resumed more faintly from farther upstream. The second bout was followed by high-pitched screaming sounds.

HowlScream
Summer 2006 Viola, Shasta County, California Class B #79711

Fisherman hear loud bigfoot howl on a sunny summer afternoon at North Battle Creek Reservoir

In late summer 2006, two companions fishing from a canoe in the middle of a remote mountain lake heard a very loud, long growl-yell coming from a hillside. They froze and visually scanned the hillside for several minutes but saw no movement and heard no further sounds, then packed up and left. The witness stated neither person had heard a similar sound despite extensive time outdoors.

GrowlScream
17 August 2003 Pollack Pines, El Dorado County, California Class B #6868

Campers hear late night screams near Pollack Pines

The witness was camping with family near a lake and was awake with a child around 1-2 am when a very loud drawn-out scream was heard from woods to the south. A similar sound answered from across a cove to the west and repeated many times, growing louder before stopping. Relatives in nearby tent sites also heard the sounds, while the witness's spouse and children slept through them.

Scream
7 August 2003 Arnold, Calaveras County, California Class B #8226

Campers hear late night screams near Arnold

The witness and a friend were stationary outdoors at night when they heard three loud, powerful screams from uphill in dense, rugged terrain. The first scream was estimated about 50 yards away, with subsequent screams sounding progressively farther at about 100 and 200 yards and minutes apart. The witness described the sound as human-like but guttural with bass, offensive or warning in character, and unlike known wildlife. After looking around and firing rocks with a slingshot, they heard the final, more distant scream.

Scream
1 August 2002 Woodfords, Alpine County, California Class B #5791

Campers hear late night scream near Woodfords

The witness was asleep in a tent at a remote lake campground when she was awakened by a loud scream that rose from low to high pitch just outside the tent. She heard something heavy run away up a gravel road. Companions camped a short distance away also heard the scream, and one who went outside reported a very strong bad odor, while the witness's dog reacted strongly inside the tent.

ScreamFootstepsOdor
16 April 2002 Sunland, Los Angeles County, California Class B #14953

Possible intimidation in the late afternoon reported by hikers in the Big Tujunga Canyon area

Two hikers returning up a dry creek bed in late afternoon smelled a strong foul odor and noticed a dead squirrel placed over a boot print. From a short distance away they heard loud banging like wood striking trees, saw treetops swaying, then heard very loud groaning and screaming vocalizations. The sounds paused while they walked away and resumed when they stopped, until they left the area.

Wood knockScreamGrowlOdorMovement only
6 September 2001 Three Rivers, Tulare County, California Class B #3121

Hiker hears loud scream in Sequoia National Park

The witness was camping alone in the backcountry of Sequoia National Park and preparing dinner just after sunset. The witness heard loud repeated screams described as non-human and unnerving, lasting about 30 seconds before ending abruptly. About 15 minutes later coyotes were heard barking nearby. The witness stayed alert that night but reported no further occurrences for the remainder of the trip.

Scream
September 2001 Dardanelle, Tuolumne County, California Class B #16448

Possible vocalizations awaken campers in Clark Fork Campground

The witness and companion were camping in a tent at Clark Fork campground. After 2 a.m. they were awakened by very loud, long screaming sounds from the river direction that lasted about five minutes. About an hour later the witness heard a loud metal bang interpreted as a bear-proof dumpster lid being lifted and dropped in the closed, unoccupied loop.

ScreamProperty disturbance
September 2001 Strawberry, Tuolumne County, California Class B #4649

Women hear late night vocalizations at Sand Bar Flat Campground

The witness and a relative were staying in a tent at a campground when they heard prolonged screaming vocalizations nearby for about two hours. The sounds included return calls from farther down the river, suggesting two sources. The witness stated familiarity with local animals and did not recognize the sounds as those animals.

Scream
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