Truskmore South-East Cairn is the highest point in Leitrim at 631 m (2,070 ft) above sea level. It is part of Truskmore mountain and is located approximately 0.45 km southeast of the mountain's summit, which is 16 m (52 ft) higher and located in County Sligo.

Truskmore SE Cairn's prominence is recorded as 0 m which means it appears in very few lists of mountains in Ireland. The highest independent peak in Leitrim is the nearby mountain of Tievebaun, at 611 m (2,005 ft).

See also

• Truskmore
• List of Irish counties by highest point
• Lists of mountains in Ireland
• Lists of mountains and hills in the British Isles