“A white-furred mountain beast that mimics human voices to lure its prey into the dark.”
On the forested slopes of Mount Jangsan, above the eastern districts of Busan, hikers tell of hearing their own names called in a voice not quite right. The Jangsan Beom — the Jangsan Tiger — is described as a quadruped slightly larger than a man, its body sheathed in long white hair that hides its face, mismatched limbs carrying it fast over steep ground. It is Korea's flagship modern cryptid: an urban legend with claws, born and raised on the internet.
The creature's weapon is sound. It is said to mimic human voices — a woman's wail, a cry for help, the call of someone you know — to draw victims off the trail, and its own roar is compared to a scream, a speeding train, nails on a blackboard, iron scraping iron. No physical evidence exists, and no one quite claims it should; the Jangsan Beom is discussed, even by believers, in the grammar of ghost stories.
The Legend
The legend as told: something lives on Jangsan that learned to talk. It waits near the trails, imitating first animal sounds, then human ones, refining its calls until they are perfect enough to pull a hiker into the trees. Accounts disagree on its nature — flesh-and-blood predator or mountain ghost in tiger form — but agree absolutely on the rule the legend exists to teach: on the mountain, after dark, do not answer a voice you cannot see.
The setting does real work. Mount Jangsan rises directly above Busan's Haeundae district, wild ground within sight of one of Korea's largest cities, and the legend lives in that seam between apartment glow and dark treeline. Some tellers frame the beast as an animal, others as something older; the Korea Times notes the white monster's kinship with figures appearing in Korean traditional masked dance, hinting at roots beneath the modern scare.
Documented Sightings
The record is young and almost entirely digital. Reports began circulating in Korean internet communities in the early 2010s; by June 2012, online posts claimed sightings around Haeundae-gu in Busan and other locations. No photograph, track, or specimen has ever accompanied the accounts — the sightings live in forum threads and horror communities, repeated, embellished, and relocated in classic urban-legend fashion.
Mass media finished the job. On July 29, 2013, the cartoonist POGO published a Jangsan Beom webtoon in Naver's online Hometown Legends 2013 collection, adding the man-eating framing that now defines the creature. Four years later the legend reached cinemas: The Mimic (2017), directed by Huh Jung and set on Mount Jangsan, became the first Korean horror film in four years to pass a million admissions, closing at 9.4 million US dollars.
The Lore
The Jangsan Beom belongs to the global family of voice-lure monsters — predators whose trap is the human instinct to answer. Its Korean twist is the tiger shape: the peninsula's storytelling has always filled its mountains with tigers, and the Jangsan Beom reads as that tradition returning in monstrous, bleached-white form. Researchers treat it frankly as contemporary folklore — a legend whose birth, unusually, happened in public and on the record.
Its rules propagate the way all urban legends do, as safety advice wearing a mask: do not hike alone, do not follow sounds into the trees, do not answer your name. The creature now anchors Busan-area horror culture in webtoons, online narrations, and film. Whether anything walks Mount Jangsan or not, the legend has already done what monsters are for — it keeps people on the path after dark.
Field Notes
- ✦ Reported chiefly around Busan's Mount Jangsan, with online sighting claims in Haeundae-gu in June 2012.
- ✦ Its lure is sound: it is said to imitate human speech, cries for help, and animal calls.
- ✦ Considered a product of modern folklore spread through internet horror communities and media.
- ✦ A 2013 webtoon by POGO in Naver's Hometown Legends collection added the man-eating framing.
- ✦ Inspired The Mimic (2017), the Mount Jangsan horror film that passed one million admissions.
Case File
- Classification
- Cryptid predator
- Category
- Beast/Hybrid
- Territory
- Mount Jangsan, Busan
- First Sighted
- Online reports, early 2010s
- Habitat
- Mountain forests and steep terrain
- Reported Size
- Slightly larger than a man
- Also Known As
- Jangsanbeom · Jangsan Tiger