We report on our on-going research into the rate and mode of landscape development in central Namibia using analysis of in-situ-produced cosmogenic isotopes in quartz. Long-term (>106 a), regional estimates of denudation are available from previous studies that have used fission-track thermochronology and investigation of the terrestrial and offshore sedimentary record. However, complementary, intermediate-term (104 -106 a) denudation rates are currently lacking but are required to fully constrain landscape evolution. To date, bedrock samples from two of the key morphological elements of the central Namibian landscape have been analysed, namely the escarpment and the granite bornhardts on the coastal plain. Abundances of cosmogenic 10Be and 26Al in quartz indicate an escarpment retreat rate of ~10 m Ma-1 and a mean surface lowering rate for the bornhardts of ~5 m Ma-1. These values are incompatible with the rapid denudation and retreat rates typically inferred for passive margin landscapes and therefore challenge traditional geomorphic models of landscape development. Our research demonstrates the potential of cosmogenic isotope analysis to provide previously unobtainable, quantitative data that increases our understanding of the Namibian landscape, and presents opportunities for more applications in the future.