Caher Mountain (Irish: Cathair = "stone ring-fort") is a hill, 338 metres high, with views of the Sheep's Head peninsula, roughly west of and above the village of Kilcrohane in County Cork, Ireland.

[1] Caher Mountain is located approximately 15 km from the end of the Sheep's Head peninsula and around 4 km west of Kilcrohane.

Its neighbouring summit is Seefin (345 m), some 5 km to the northeast.

It is at grid reference V793380 and can be reached on an easy walk from a lay-by about 1.5 km above the village.

[1] In clear weather there are views as far as Dursey Island and the Iveragh Peninsula from Caher Mountain.