Blyderivierpoort Dam (also known as Blyde Dam or Blydepoort Dam) sits at coordinates 24°32'49.09"S, 30°48'14.78"E within the Blyde River Canyon Nature Reserve in Mpumalanga Province, South Africa. Constructed in 1974 on the Blyde River, the dam's primary purpose is to supply raw water for irrigation, industrial, and domestic use. It lies below the escarpment and is enclosed by steep terrain, making access to the water surface difficult from most points.

Access to the dam is strictly controlled. There is only one entry point, managed through the Blyde Canyon Nature Reserve and monitored by security personnel. Paddlers wishing to use the dam independently must make arrangements through a commercial operator. The dam serves as the take-out point for the popular Blyde River Canyon paddle, a 9 km Grade 2–4 pool-drop run through the canyon beginning at the Mariepskop campsite. Commercial groups are typically met on the dam by a motorised craft to avoid a roughly 4 km paddle across the water to the take-out; independent kayakers who have arranged access through a commercial operator and are accompanied by an APA guide generally paddle the full distance across the dam themselves.

The dam is home to both hippos and crocodiles, some of them large, and paddlers crossing the dam should be aware of this. No attacks have been recorded, but the presence of these animals is a significant safety consideration. Crocodile warning signs are posted in the area. There are currently no standardised navigation aids or demarcation markers on the dam, and no specific incident management plan is in place.

The dam offers views of the Three Rondavels rock formation, the Kadishi Tufa Waterfall — reported to be the second tallest tufa waterfall on Earth at approximately 200 metres — and the surrounding canyon walls. Wildlife visible from the water includes hippos, crocodiles, various primates, kudu, duiker, leopard, Fish Eagles, and African Finfoot. Guided boat cruises of approximately 90 minutes are offered on the dam, departing at 11:00.

Permits are required to access the river and dam, and these must be arranged in advance through one of the licensed commercial operators, such as Blyde Adventure Centre or Induna Adventures. The entire section falls within the Blyde River Canyon Nature Reserve, and independent access without commercial operator involvement is not permitted.