Blyde river canyon republic of South Africa
Wonders of nature. The Blyde River Canyon is a significant natural feature of South Africa. While it is difficult to compare canyons world-wide, Blyde River Canyon is one of the largest canyons on Earth, and it may be the largest \’green canyon\’ due to its lush subtropical foliage. It has some of the deepest precipitous cliffs of any canyon on the planet. It is the second largest canyon in Africa, and is known as one of the great wonders of nature on the continent.