Trivia: The Valley of Gwangi

  • What Could Have Been: O'Brien's original idea for the film -to be titled The Valley Of The Mist- had Gwangi captured in the Grand Canyon, and killed by being pushed off a cliff with a truck.
  • Referenced By: Jurassic Park copied the scene where Gwangi suddenly appears from behind a hill and snatches a running dinosaur using his mouth.