Oireabhal is a Graham of 662.2 m in Na h-Eileanan Siar [Western Isles]. All four of its nearest neighbours are higher, up to An Cliseam at 800 m.
It is one of only four register hills in the Harris and Nearby Islands region, with An Cliseam, Uisgneabhal Mor and Tiorga Mor. Its other name is Oreval. The database describes the top as a rock 20m wnw of large cairn. It falls on two OS 1:50,000 sheets, 13 and 14.