International audienceThe travel notebooks of William Turner (1775-1857) allow a detailed analysis of the way in which the artist recorded the terrain and transposed to more finished works (drawings and water colours) the forms of a landscape site which had particularly detained him: that of the town of Sisteron and its lateral valley, where, in 1836, he passed while on a trip on the road between Genoa and Grenoble. Many viewpoints, exaggerations of forms and relief, concern with details, sense of space and light, landscape recomposition: all things in which Turner showed great mastery and which the geographer can modestly draw lessons when he or she wants to geographycally analyze a landscape.Les carnets de voyage de William Turner (1775-1...