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Orange–Fish River Tunnel
Irrigation tunnel in South Africa / From Wikipedia, the free encyclopedia
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The Orange–Fish Tunnel, constructed between 1966 and 1975, is an 82.8-kilometre (51.4-mile) long irrigation tunnel in central South Africa, built to divert water from the Orange River to the Fish River valley. It is the longest continuous enclosed aqueduct in the southern hemisphere.
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Quick Facts Overview, Coordinates ...
![]() Inlet tower of the Orange-Fish Tunnel at Oviston | |
Overview | |
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Coordinates | |
Status | Active |
System | Orange-Fish Water Scheme |
Waterway | Orange River |
Start | Gariep Dam |
End | Teebus Spruit → Groot Brak River → Great Fish River |
Operation | |
Opened |
|
Character | Water tunnel |
Technical | |
Length | 82.8 kilometres |
Tunnel clearance | 6 metre diameter |
Route map | |
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