The Clarence Valley is a region and Local Government Area (LGA) in northern New South Wales. The region includes the coastal plain and lower valleys of the Clarence River and Nymbodia River . The largest town and council seat is Grafton. Other towns in the region are Maclean , Yamba , Iluka , Junction Hill , Ulmarra and Coutts Crossing . Most of the valley is agricultural, however the oceanside towns of Yamba and Iluka are popular holiday resorts.

The local government area, Clarence Valley Council, was formed in February, 2004 by the amalgamation of the LGAs of Grafton City and Maclean Shire, and parts of Copmanhurst , Pristine Waters and Richmond Valley LGAs.