See all Things to do in Fish River Canyon Fish River Canyon for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Fish River Canyon Trail About Fish River Canyon Trail: Though a very tough trail, the Fish River Canyon Trail is one of the most popular hikes in Southern Africa. It is an 85 km hike from Hobas to Ai-Ais. Beware that temperatures of 40C are not uncommon on the trail. Add to Wish List