Colligan River

Colligan River
Colligan River flowing under the N25 in Dungarvan
Native nameAbhainn Choilligeáin (Irish)
Physical characteristics
Source 
  locationMonavallagh Mountains
Mouth 
  location
Celtic Sea at Dungarvan
Length24 km (15 mi)
Basin size108 km2 (42 sq mi)
Discharge 
  average33.1 m3/s (1,170 cu ft/s)

The Colligan River (Irish: Abhainn Choilligeáin) is a fast-flowing river in Ireland, flowing through County Waterford. It is reputed to be one of the fastest in Europe.