Elidir Fawr is a 3,000 ft mountain of 924 m in Gwynedd. Only four of the register's Wales hills are higher.
It counts towards four lists: Hewitts, Nuttalls, Furths and Marilyns. Of the register hills in Gwynedd, only Snowdon – Yr Wyddfa and Y Garn (Gwynedd, SH630595) stand higher. It shares its height of 924 m with Sgurr nan Each and An Coileachan. The highest point is recorded as rock c 25m ssw of windshelter, not a cairn. The database describes the top as a rock c 25m ssw of windshelter.