The giant of Norman’s Law in Fife, known in legend as the Earl of Hell, is said to have hurled a boulder at the people of Dundee across the River Tay. The boulder fell short and crashed against the (Dundee) Law Hill where it still rests.
From an article for the Scotsman by Brendan O’Brien, online at heritage.scotsman.com/myths.cfm?id=1870532005