Sundays River Valley, characterized by high-intensity agricultural activities like an irrigation scheme which was started in the early 1920s, stretches from the Kirkwood prison grounds in the west to Colchester and Kinkelbos in the southeast.
It is characterized by high-intensity agricultural activities (in particular the production of citrus fruits) and a well-developed irrigation system. The Sundays River Valley irrigation scheme was started in the early 1920s, targeting British settlers on small holdings (10 morgen in size) along the banks of the Sundays River. The valley stretches from the Kirkwood prison grounds in the west to Colchester and Kinkelbos in the southeast. 
