Craignaw is a Graham of 646 m in Dumfries and Galloway. Its drop clears the 150 m Marilyn standard by only 1.3 m.
Only two Grahams have less drop. All four of its nearest neighbours are higher, up to Merrick at 843 m. All four of its nearest neighbours lie to the north, so it stands at the southern edge of its group. It shares its height of 646 m with Base Brown. It is the lowest of the nine register hills in the Carrick and Galloway region, where Merrick is highest. On the Grahams height ladder it sits between Carn Salachaidh (648 m) and Biod an Fhithich (645.9 m).
