Seltannasaggart (from Irish Sailtean na Sagart, meaning 'willow plantation of the priests'),[2] also called Corry Mountain, is a low mountain near Lough Allen on the border of County Roscommon and County Leitrim in Ireland; it is the highest point in Roscommon.

It is part of the Arigna Mountains and rises to a height of 428 metres (1,404 ft).

[1] On the southern slopes are the remains of a promontory fort and sweat houses.

There is a wind farm and a quarry on the summit, which is easily accessible.

This article related to the geography of County Roscommon, Ireland is a stub.