Nqweba Dam (previously known as Van Ryneveld's Pass Dam), is an earth-fill type dam located on the Sundays River in the Camdeboo National Park, in Graaff-Reinet, Eastern Cape, South Africa.
It was opened in 1925. The dam has a capacity of , and a surface area of , the wall is , and is long. Once an irrigation dam, it now mainly serves to supply potable water for domestic and industrial use to the residents and businesses of Graaff-Reinet. Its hazard potential has been ranked high (3).
The new name given in 2001, , means "meeting place" in Xhosa.