*3 Sisters: Barrow & Nore sisters converge above New Ross, Suir sister joins at Cheekpoint.  [For information up river see the Barrow, Nore or Suir.]  Bordering counties: Kilkenny | Wexford | Waterford

Slaney: flows from Lugnaquilla mountain west and then south through: Baltinglass, Tullow, Bunclody, Enniscorthy and finally Wexford to the sea.  Bordering counties: Wexford | Carlow | Wicklow

Barrow: flows from the Slieve Bloom mountains east and then south through: Portarlington, Monasterevin, Athy, Maganey, Carlow, Leighlinbridge, Bagenalstown, Goresbridge, Graiguenamanagh, St. Mullins, New Ross, and Cheekpoint until the sea.  *3 Sisters: Barrow & Nore sisters converge above New Ross, Suir sister joins at Cheekpoint.  Building of the  Barrow navigation began in 1760 and continued until 1812: 23 locks from Athy to St. Mullins.  Bordering counties: Laois | Offaly | Kildare | Carlow | Kilkenny | Wexford |Waterford

 

Nore: flows from the Devilsbit Mountain northeast and then south through: Clonakenny, Kilbricken, Kilkenny, Bennettsbridge, Thomastown, Inistioge, New Ross, Cheekpoint until the sea.  *3 Sisters: Barrow & Nore sisters converge above New Ross, Suir sister joins at Cheekpoint. Bordering counties: Tipperary | Laois | Kilkenny | Wexford | Waterford

 

Suir flows from the Devilsbit Mountain south through: Thurles, Holycross, Caher, Ardfinnan, Clonmel, Kilsheelan, Carrick-On-Suir, Fiddown, Waterford, Cheekpoint until the sea. 

*3 Sisters: Barrow & Nore sisters converge above New Ross, Suir sister joins at Cheekpoint.  Bordering counties: Tipperary | Waterford | Kilkenny | Wexford