Am fear liath mòr is a Scottish legend about a big, scary, grey creature. It is said to live in the highlands of Scotland and is often referred to as the ‘Big Grey Man of Ben Macdui’. It is said that when people are walking on the mountain of Ben Macdui, they sometimes feel like something big and scary is following them, even though they can't see it. People tell stories about hearing strange noises and feeling an eerie presence near the summit. That legend is am fear liath mòr.