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31 encounters
1 September 2024 Redcrest, Humboldt County, California Class B #77611

YESTERDAY (09/01/2024): Hikers hear chatter and whoops of a large animal in Founders Grove, 33mi SE of Eureka

The witness and a companion were hiking the Founders Grove loop just after sunset when the woods went quiet and they heard chattering vocalizations. They felt immediate dread and judged whatever made the sounds to be huge. As they retreated toward their vehicle they heard movement in brush going deeper into the woods, and when the witness whooped back the chatter answered again. They hurried back to their car.

ChatterVocalizationMovement only
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
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
13 September 2013 Pine Flat Resort, Tulare County, California Class B #42148

Possible nighttime encounters at a campground near Pine Flat Resort

The witness and a companion were camping in tents in a largely deserted mountain campground. On two consecutive nights after 11 p.m. the witness heard strange sounds near his tent, including chatter, stone-like banging, cough-like and shushing noises, and a deep guttural grunt from about thirty feet away. On the second night small debris struck the side of his tent as if thrown. The companion confirmed hearing weird noises on the first night.

ChatterGrowlVocalizationUnidentified soundObject throwing
22 July 2012 Pine Valley Ca, San Diego County, California Class B #36070

Possible knocks and chatter at Burnt Rancherias Campground, Laguna Mountain

The witness was camping with his wife and sister-in-law when he was awakened around 3:14 a.m. to accompany his wife to the restroom. While preparing to leave the tent he heard 4 or 5 loud wood-knock-like sounds spaced a few seconds apart, followed by faint voice-like gibberish with grunts. His sister-in-law later confirmed she also heard the knocking sounds.

Wood knockVocalization
29 September 2008 Kernville, Tulare County, California Class B #24877

Deer hunter comes across possible sasquatch tracks (w/ cell phone photo of one track)

The witness camped alone on a mountain ridge during deer season. Late in the evening he heard a single loud guttural pop-like sound nearby that he took as an animal warning. The next morning he found very large human-like footprints and followed them about 75 yards through a saddle before resuming hunting. He photographed the first print with a cell phone.

VocalizationTracks
25 July 2008 Dorrington, Tuolumne County, California Class B #24277

Campers hear strange vocalizations for over an hour while camping outside Dorrington

The witness was camping with her family at a family cabin site near Dorrington. Around 2:30 a.m. she heard unfamiliar loud, smooth vocalizations and woke her husband, and the two listened together for an hour or more. The sounds included rising calls and rising-then-falling calls, sometimes seeming nearer and sometimes farther, estimated from a quarter to a mile away to the south. No animal was seen, and a scat pile noted behind the cabin was thought by her husband to be from a bear.

Vocalization
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
23 July 2005 Huntington Lake, Fresno County, California Class B #12165

Camper hears nightime vocalizations near Florence Lake

The witness was camping overnight in a tent after fishing. During the night the witness woke and heard two loud, unfamiliar vocalizations from the east, several seconds long and seconds apart, then silence. Two companions sleeping in a car did not hear the sounds.

Vocalization
21 September 2004 Oroville, Butte County, California Class B #9368

Photographer hears early morning vocalizations near Lake Oroville

The witness parked her truck near Lake Oroville before sunrise to photograph valley lights. While sitting with the driver window down, she heard a loud angry roar that rapidly approached from behind and stopped at the rear passenger side of the truck. She saw nothing in the darkness and drove away frightened.

Vocalization
5 July 2004 Weitchpec, Humboldt County, California Class B #9439

Two campers hear creatures calling throughout night near Bluff Creek

Two brothers camping at Onion Lake heard loud, rough grunts lasting about a second from multiple directions around camp, apparently answering each other from about 9 p.m. until about 5 a.m. A deer ran into camp after the first grunt and several deer stayed close to the tent all night. Despite searching with a spotlight the witnesses saw nothing and heard no movement through brush, and found nothing the next morning.

Vocalization
21 June 2004 Oroville CA, Butte County, California Class B #8896

At dusk, swimmers hear vocalizations and whistles near Lake Oroville

Three people were at a lake launch ramp at dusk when the witness imitated a whistle from a recording. Movement was heard approaching through brush above the lake to within about 200 feet. A light showed eyes low along the treeline, and whistling exchanges continued until the group left in their car.

EyeshineWhistleFootstepsVocalization
16 November 2003 Orleans, Humboldt County, California Class B #7452

Campers Hear Unusual Evening Sounds

Two campers spent a rainy night at a campground after noticing a skunk-like odor on arrival. Through the night they heard ape-like hoots, single-note whistles, repeated wood-on-wood whacks from several directions, heavy two-legged footsteps, and nearby rockslides. They saw nothing in the dark and left the next morning, noting the steep bowl-shaped hillside could carry sounds from far uphill.

VocalizationWood knockFootstepsWhistleOdor
14 October 2003 Foresthill, Placer County, California Class B #7331

Fisherman hears late night scream near French Meadows Reservoir

The witness and a companion were camped overnight after fishing, and the witness repeatedly made loud whoop calls hoping for a reply. Around 1:30 a.m., after the companion had gone to sleep, the witness heard a single return vocalization from a roadless direction. The companion did not hear the return. The witness saw nothing and did not investigate the area.

Vocalization
10 June 2003 Placerville, El Dorado County, California Class B #8650

Brothers hear unusual, late-night vocalizations near Sly Park

The witness reports hearing various vocalizations at night during summer at a family home bordering National Forest in Sly Park, last heard the previous summer, experienced with a brother. The witness, brother, and mother also reported very large human-shaped bare footprints with a long stride in a dirt roadway, with no casts or photos taken. They also reported finding twisted and broken tree limbs nearby and submitted photos of the damage, described as occurring where machine cause was unlikely.

VocalizationTracksTree breakTwist
26 October 2002 Lake Isabella, Kern County, California Class B #5251

Hunters hear, and possibly see, a strange creature near Lake Isabella

The witness and a companion were sleeping in a tent on a hunting trip when they were awakened by five unknown vocalizations from different directions over several minutes. The sounds were described as between a growl and a scream, likened to a higher-pitched seal. Other nearby hunters also heard the sounds and no one could identify the source.

Vocalization
December 2001 Hiouchi (near Crescent City), Del Norte County, California Class B #4845

Calif. Del Norte County Jed Smith Park

The witness and two children were reading inside their trailer in the park campground one evening when they heard an extremely loud, unfamiliar echoing vocal sound described as between a cat-call and a moo. The sound seemed to come from across the river despite closed windows, and was louder than human campground noise the witness had previously heard. The witness, experienced with local wildlife sounds, said it matched nothing previously heard.

Vocalization
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
August 1999 Bluff Creek/Weitchpec, Humboldt County, California Class B #2151

High-pitched vocalization sounds heard by woman playing solitaire at her kitchen table

Late at night while awake alone at the kitchen table, the witness heard a loud vocalization that started as low resonant yelling and rose into high-pitched screams. She said she recognized the sound from family descriptions and was thrilled to finally hear it after visiting the region for many years.

VocalizationScream
23 August 1997 Orleans, Siskiyou County, California Class B #22431

Forestry workers report possbile encounter along the Klamath River near Orleans

Late at night while sleeping on sand bars beside the river with a companion, the witness was awakened by limping bipedal footsteps moving on the slope above. A flashlight revealed nothing and the steps resumed, approaching close before loud guttural yelps and moaning described as a cry for help were heard. After remaining awake and still for an extended period the witnesses fell asleep, later heard a large splash in the river, and found no tracks in the morning.

FootstepsVocalizationUnidentified sound