Hillside Cannibals

Hillside Cannibals is a 2006 American horror film directed by Leigh Scott and produced by The Asylum. The film is a mockbuster of the film The Hills Have Eyes, another film released around the same month, but its plot also incorporates elements from other films, including Cannibal Holocaust, The Texas Chainsaw Massacre and House of 1000 Corpses.

His practices are continued in the modern day by his inbred descendants, who dwell in vast caves on the coast and feed on the flesh of passersby, as a group of teenagers soon discover whilst exploring the steep cliffface where Sawneys descendants dwell in search of flesh.

Source: Wikipedia