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Blyderivierpoort Dam is a gravity-arch dam on the Blyde River, in the lower Blyde River Canyon, near Hoedspruit in Mpumalanga, South Africa. It also floods the lower reaches of the Blyde's Ohrigstad River tributary. The dam was completed in 1974. The 71 m high dam wall and 22 m deep is situated 3 km from Swadini resort by road.