Boulders in Valais presents the canton of Valais in Switzerland, its bouldering climbing spots and some of its historical and current actors and driving forces including Lucien Abbet, Benoît Dorsaz, Fred Nicole, Dave Graham... Frédéric and François Nicole gives us spectacular demonstrations of this sport, showing us routes like "Radja", the world's first 8b+. A topo-video part contains 28 climbing sites with a geographical map, and more than 160 video sequences for as many chosen blocks... more than 2h30 of climbing.