Maximum discharge along the river is currently at the reporting a streamflow rate of cfs. This is also the highest stage along the Cranes Nest River, with a gauge stage of ft at this location. This river is monitored from 1 different streamgauging stations along the Cranes Nest River, the highest being situated at an altitude of ft, the .

The Crane's Nest River, also known as the Tugela-Vaal Water Project, is a major river system in South Africa. It originates in the Drakensberg Mountains and flows for approximately 380 kilometers before entering the Vaal River. The Crane's Nest River is a crucial source of water for agriculture and industry in the Gauteng region. It is regulated by several large dams, including the Sterkfontein Dam and the Vaal Dam, which provide water for irrigation, power generation, and domestic use. The river system has a complex hydrology, with many tributaries and subcatchments. The Crane's Nest River has a rich history, with evidence of human habitation dating back thousands of years. It is also a popular destination for recreational activities such as fishing, boating, and hiking.