The Blyde River Canyon is a famous site with tourist visiting the Kruger National Park and its surroundings.
If you come from Johannesburg, treat yourself with a drive through Belfast, Dullstroom, Lydenburg and Pilgrim's Rest en route to Graskop. If possible, spend the night in one of the hotels/lodges/camp sites on the escarpment and devote a day to exploring the whole Panorama Route.
The canyon itself. There are waterfalls (Berlin and Lisbon), the Pinnacle, God's Window, Wonderview, Bourkes Luck Potholes (with a fascinating display of the wildlife and geology of the canyon) and several viewpoints, the best-known is The Three Rondawels/Three Sisters.
There are hiking trails in the nature reserve and horse riding is a posibility, but most people seem to drive through it on their way to or from game reserves like Kruger National Park.
Many locals sell artwork here, ranging from those famous wooden giraffes to knobbly paper made from elephant dung. Prices are higher at more frequented sites and lower at spots off the main stream.
Stay at the Otter's Den, which is located on the Blyde River and is convenient to the views from atop the canyon as well as boat tours on the river itself. http://www.ottersden.co.za/ The accommodations are simple and charming and it is like being in a treehouse on the river. The food and service were excellent, and to get to the property guests walk across a suspension bridge over the Blyde River.