Genres: Adventure, Horror, Thriller

Keywords: tmdb.mutant, tmdb.expedition, tmdb.cave, tmdb.trauma, tmdb.darkness, tmdb.climbing, tmdb.appalachia + 339 more, tmdb.friends, tmdb.female-protagonist, tmdb.best-friend, tmdb.survival-horror, tmdb.grieving, mdblist.belongs-to-collection, tmdb.creature, tmdb.claustrophobia, tmdb.panic, tmdb.gore, mdblist.certified-fresh, tmdb.rope, mdblist.ext.2k-blu-ray, mdblist.has-trailer, tmdb.speleology, imdb.cave, imdb.survival-horror, imdb.fear, imdb.group-of-friends, imdb.monster, imdb.friendship-between-women, imdb.expedition, imdb.violence, imdb.panic, imdb.grief, imdb.blindness, imdb.claustrophobia, imdb.creature, imdb.survival, imdb.cheating-husband, imdb.infidelity, imdb.broken-leg, imdb.dark, imdb.female-protagonist, imdb.spelunking, imdb.flare, imdb.fight-for-survival, imdb.trapped-in-a-cave, imdb.mountain, imdb.cave-in, imdb.blood, imdb.distrust, imdb.female-friendship, imdb.friend, imdb.friendship, tmdb.female-friendship, tmdb.camcorder, imdb.caving, imdb.haunted-by-the-past, imdb.underground-creature, imdb.underground-cave, imdb.monster-horror, imdb.cave-adventure, imdb.mountain-adventure, imdb.cave-system, imdb.survival-thriller, imdb.psychological-thriller, imdb.karst, tmdb.suspenseful, imdb.underground-horror, imdb.trapped-underground, imdb.blind-monster, imdb.blind-creature, imdb.humanoid-creature, imdb.humanoid-monster, imdb.predatorial-horror, imdb.underground, imdb.dark-setting, mdblist.first-in-collection, imdb.victim-fights-back, imdb.survivor, imdb.fight-to-the-death, imdb.humanoid, imdb.loss-of-family, imdb.hallucination, imdb.claustrophobic-setting, imdb.loss-of-husband, imdb.cave-painting, imdb.accidental-killing, imdb.f-rated, imdb.british-horror, imdb.creature-feature, imdb.husband-wife-relationship, imdb.rope, imdb.surprise-ending, imdb.two-word-title, imdb.cannibalism, imdb.exploitation, imdb.infrared, imdb.woman-in-jeopardy, imdb.widow, imdb.final-showdown, imdb.mercy-kill, imdb.jump-scare, imdb.graphic-violence, imdb.deception, imdb.race-against-time, imdb.paranoia, imdb.suspense, imdb.electronic-music-score, imdb.british, imdb.prologue, imdb.flash-forward, imdb.flashback, imdb.deeply-disturbed-person, imdb.tragic-event, imdb.tragic-past, imdb.dark-past, imdb.danger, imdb.death-of-family, imdb.death-of-husband, imdb.splatter, imdb.death-of-daughter, imdb.chase, imdb.covered-in-blood, imdb.bloody-face, imdb.mother-daughter-relationship, imdb.father-daughter-relationship, imdb.screaming, imdb.truck, imdb.ambush, imdb.bloodbath, imdb.adrenaline-junkie, imdb.slow-motion-scene, imdb.body-count, imdb.profanity, imdb.gory-violence, imdb.bloody-violence, imdb.attempted-murder, imdb.extreme-violence, imdb.mercilessness, imdb.kidnapping, imdb.hostage, imdb.rescue, imdb.near-death-experience, imdb.scotswoman, imdb.irish, imdb.swedish, imdb.englishwoman, imdb.dutchwoman, imdb.teacher, imdb.medical-student, imdb.student-nurse, imdb.fight, imdb.cave-drawing, imdb.tunnel, imdb.shower, imdb.jogging, imdb.fire, imdb.throat-ripping, imdb.wristwatch, imdb.leg-injury, imdb.improvised-weapon, imdb.red-light, imdb.green-light, imdb.fantasy-sequence, imdb.dream, imdb.night-vision, imdb.camcorder, imdb.helmet, imdb.cigarette-lighter, imdb.disembowelment, imdb.exploration, imdb.stabbed-in-the-knee, imdb.subterranean, imdb.claustrophobic, imdb.darkness, imdb.entrails, imdb.river, imdb.self-sacrifice, imdb.stabbed-in-the-throat, imdb.cannibal, imdb.stabbed-in-the-arm, imdb.pendant, imdb.skeleton, imdb.pool-of-blood, imdb.stabbed-in-the-forehead, imdb.head-bashed-in, imdb.stabbed-to-death, imdb.pickaxe, imdb.insanity, imdb.anger, imdb.map, imdb.cigarette-smoking, imdb.guidebook, imdb.climbing-a-wall, imdb.hearing-noises, imdb.echolocation, imdb.bat, imdb.water, imdb.pool, imdb.escape-attempt, imdb.rock-climbing, imdb.rock-climber, imdb.hiking, imdb.vacation, imdb.yelling, imdb.camera, imdb.freeze-frame, imdb.dead-deer, imdb.maggot, imdb.evil, imdb.horde, imdb.swarm, imdb.low-budget-film, imdb.grindhouse-film, imdb.aerial-camera-shot, imdb.final-girl, imdb.underground-monster, imdb.german-car, imdb.brutal-violence, imdb.backwoods, imdb.accident, imdb.bone, imdb.flare-in-mouth, imdb.smoking-marijuana, imdb.vacation-gone-wrong, imdb.tobacco, imdb.smoking-tobacco, imdb.characters-killed-one-by-one, imdb.2000s, imdb.21st-century, imdb.first-of-series, imdb.fake-out-ending, imdb.part-of-duology, imdb.nocturnal-predator, imdb.carabiner, imdb.injured-leg, imdb.injury, imdb.isolation, imdb.dead-animal, imdb.torch, imdb.beating, imdb.victim, imdb.best-friend, imdb.disgust, imdb.euthanasia, imdb.blood-splatter, imdb.stalactite, imdb.neck-breaking, imdb.brutality, imdb.necklace, imdb.murder-of-a-family, imdb.cabin, imdb.forest, imdb.waterfall, imdb.underwater-scene, imdb.trust, imdb.stabbed-in-the-leg, imdb.stabbed-in-the-head, imdb.stabbed-in-the-eye, imdb.stabbed-in-the-chest, imdb.throat-slit, imdb.skull, imdb.pond, imdb.photograph, imdb.phosphorescence, imdb.murder, imdb.logging-truck, imdb.little-girl, imdb.lie, imdb.killing-spree, imdb.hospital-gown, imdb.horseshoe, imdb.head-on-collision, imdb.handheld-camera, imdb.hallway, imdb.flashlight, imdb.fireplace, imdb.falling-into-water, imdb.eye-gouging, imdb.eaten-alive, imdb.earthquake, imdb.death, imdb.crying, imdb.corpse, imdb.carcass, imdb.bones, imdb.bitten-in-the-neck, imdb.beaten-to-death, imdb.boneyard, imdb.woods, imdb.video-camera, imdb.stabbed-in-the-neck, imdb.revenge, imdb.nightmare, imdb.escape, imdb.cave-crash, imdb.mercy-killing, imdb.loss-of-daughter, imdb.impalement, imdb.hospital, imdb.guilt, imdb.female-bonding, imdb.falling-from-height, imdb.betrayal, imdb.appalachian-mountains, imdb.gore, imdb.death-of-friend, imdb.independent-film, imdb.beer, imdb.cake, imdb.whitewater-rafting, imdb.reference-to-carrie, imdb.film-with-ambiguous-title, imdb.ambiguous-ending, imdb.written-by-director, imdb.scene-during-opening-credits, imdb.flask, imdb.scottish-accent, imdb.englishwoman-abroad, imdb.birthday-cake, imdb.driving-a-car, imdb.vomiting, imdb.goblin, imdb.glow-stick, imdb.cabin-in-the-woods, imdb.drinking, imdb.knife, imdb.meat, imdb.lifting-a-female-into-the-air, imdb.lifting-someone-into-the-air, imdb.blood-on-camera-lens, imdb.first-part, imdb.hugging, imdb.ghost, imdb.dust, imdb.doll, imdb.book, imdb.what-happened-to-epilogue, imdb.suffocation, imdb.car-accident, imdb.group-photo, imdb.mountain-cabin, imdb.caveman, imdb.speleology, soundmix.dolby-digital-ex, aspectratio.1-85-1, aspectratio.2-35-1

Watch Providers: Tubi TV, The Roku Channel, Hoopla, VUDU Free, Plex + 4 more, IMDB TV Amazon Channel, Plex Channel, Fawesome TV, MovieSphere+ Amazon Channel

Production Companies: Celador Films, Northmen Productions, Pathe

Country: United Kingdom
Languages: English