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 46,369,000 cubic metres (1.6375×10⁹ cu ft), and a surface area of 10.285 square kilometres (3.971 sq mi), the wall is 46 metres (151 ft), and is 357 metres (1,171 ft) 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, Nqweba, means "meeting place" in Xhosa.^[1]

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  Dam wall
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  Plaque

• List of reservoirs and dams in South Africa

• List of South African Dams from the Department of Water Affairs and Forestry (South Africa)