above fort. The Archaeological Survey of County Cavan states- No. 1227. Souterrain at Cloncose Rath. The entrance to the rath is at north-east. Running west from this to the centre of the internal area is a long, shallow depression (length 28.3 metres, width 2.4 metres, diameter 0.3 metres) which may represent the remains of a collapsed souterrain.. References External links The IreAtlas Townland Data Base Townlands of County Cavan