MonsterQuest Team Hunts Sasquatch Family in Sierra Nevada
Posted Wednesday, August 19, 2026
By Squatchable.com staff
Just stumbled across a gem on YouTube that any serious researcher needs to check out. The UnXplained Zone uploaded a full MonsterQuest episode diving deep into the Sierra Sasquatch mystery, and honestly, it packs more compelling evidence into one investigation than most episodes manage.
The episode centers on the Sierra Nevada range, that massive 400-mile stretch straddling California and Nevada. For decades, witnesses have reported seeing tall, hairy beings roaming these mountains in family groups. We're talking 7 to 9 feet tall, 500 to 800 pounds, with piercing red eyes and dark black hair in the younger ones shifting to brown in adults. The descriptions are remarkably consistent across separate encounters.
One of the most fascinating segments features Butch Young, a former Marine who was stationed at the Mountain Warfare Training Center near Mono Lake back in the day. He and his squad were on a nighttime patrol around 7,000 to 8,000 feet elevation when they spotted two figures moving through the trees. One standing, one crouched. But here's the thing that stuck with him for decades. At 25 to 35 yards away, he could clearly make out individual fingers on the hand. That's not a bear. That's not a person in a ghillie suit. That's something massive. The aggressor squad turned out to be two clicks away. They saw something real that night.
The investigation brings in some heavy hitters. Dr. Jeff Meldrum, the anthropologist from Idaho State University who has probably done more footprint analysis than anyone alive, leads the expedition. He's accompanied by Jaime Avalos, a local tracker who has spent years establishing movement corridors in the area. Avalos has found tracks ranging from 8 to 11 inches in the same locations year after year, which strongly suggests a family unit traveling together. Different sizes, same route, same timing. That's not a single wandering individual. That's a breeding population.
The thermal imaging segment is wild. The team mounted a thermal camera on a glider to survey the area silently. A powered glider can climb to altitude, shut the engine off, and soar completely undetected from the ground. Perfect for creatures that spook easily at the sound of engines. Unfortunately, high winds ripped the camera cable loose and they had to land, but the concept shows how modern technology is being adapted for this kind of search.
What really got me was the segment on Native American petroglyphs. The Shoshone people tell stories of the Jarbidge, a giant hairy man-eater that would carry off victims and leave only large footprints behind. And when you look at the rock art in the Sierra Nevada, there are five-toed plantigrade prints carved right alongside the familiar animal tracks. Meldrum points out that these stand out distinctly from human footprints, with toes placed directly in front of each other in a striding pattern. Hunter-gatherer societies only carved what they knew. They knew these beings were real.
And then there's the home video. A man took his family to Mono Lake for a day trip, just shooting scenery with his camcorder. When he reviewed the footage later, he saw something that made the hair stand up on the back of his neck. The episode teases this footage but keeps his identity obscured for privacy reasons. That's the kind of thing that keeps you up at night.
The Sierra Nevada has everything you'd want in a Sasquatch habitat. Remote alpine wilderness, abundant water sources, dense forest cover, and minimal human disturbance. Bighorn sheep and black bear thrive there, so the carrying capacity for a large primate is definitely there. The combination of consistent witness reports, track evidence from multiple size classes, Native American oral tradition, and now possible video footage makes this one of the stronger regional cases on record.
Definitely worth the watch. The full episode is up on The UnXplained Zone channel and runs through the entire investigation from start to finish. Grab some coffee and settle in, because once you start seeing the evidence these researchers have compiled, it's hard to walk away skeptical.