CAHER (or CAHIR)  , a market-town of Co . Tipperary, Ireland, in the south parliamentary division, beautifully situated on the river Suir at the foot of the Galtee Mountains . Pop . (1901) 2058 . It stands midway between Clonmel and Tipperary town on the Waterford and Limerick line of the Great Southern and Western railway, 124 M . S.W. from Dublin . It is the centre of a rich agricultural district, and there is some industry in flour-milling . Its name (cat hair, stone fortress) implies a high antiquity and the site of the castle, picturesquely placed on an island in the river, was occupied from very early times . Here was a fortress-palace of Munster, originally called Dun-iasgach, the suffix signifying " abounding in fish." The present castle dates from 1142, being built by O'Connor, lord of Thomond, and is well restored . It was besieged during the wars of 1599 and 1647, and by Cromwell . Among the fine environs of the town the demesne of Caher Park is especially noteworthy . The Mitchelstown stalactite caverns, Io m .

S.W.,and the finely-placed

Norman castle of Ardfinnan, on a precipitous crag 6 m. down the Suir, are other neighbouring features of interest, while the Galtee Mountains, reaching in Galtymore a height of 3015 ft., command admirable prospects .