TERROR MOUNTAIN IS A TERRIFYING HALLOWEEN EVENT JUST OUTSIDE ABERYSTWYTH IN WALES. THINK YOU’VE GOT WHAT IT TAKES TO BRAVE WALES’ BEST HALLOWEEN EVENT, OFFERING 4 LIVE ACTION HORROR ATTRACTIONS, SCARY ENTERTAINMENT AND MUCH MORE. SET IN A GENUINE VICTORIAN SILVER MINE, WE HOLD THE KEY TO YOUR NIGHT OF THRILLS, FUN AND SCREAMS!