White Coomb is a Corbett of 821.6 m in Dumfries and Galloway. It is also on the county tops list, as the highest point of its historic county.
It is the 3rd highest Donald. It counts towards four lists: Corbetts, Donalds, Marilyns and county tops. It overtops all four of its nearest neighbours; the tallest of them, Hart Fell, reaches 808 m. Of the register hills in Dumfries and Galloway, only Merrick stands higher.