Denis Costello is a FGASA-qualified Trails Guide and keen adventurer. As well as completing numerous walking safaris in Africa, he has made solo treks ranging from the Greenland icecap to the jungles of Papua New Guinea, traversed the islands of South Georgia and Seram, and descended the upper Congo river by pirogue. He has written for Travel Africa (UK), Wild (RSA) and other publications. Denis runs the web’s most comprehensive Walking Safari listing at www.walkingsafaris.africa.