Tryfan is a 3,000 ft mountain of 917.5 m in Conwy. It is the highest of the 5 register hills recorded in Conwy; the next is Moel Siabod at 872.2 m, 45.3 m lower.
Only five of the register's Wales hills are higher. It counts towards four lists: Hewitts, Nuttalls, Furths and Marilyns. All four of its nearest neighbours are higher, up to Carnedd Llewelyn at 1,061.8 m. Its nearest higher summit, Glyder Fach (994.3 m, 1.3 km south-west), is a listed top not profiled here. The highest point is recorded as adam, not a cairn.