Fabienne Errero is a doctoral student at IMT Mines Alès, whose research focuses on the interactions between the environment and society in the Gardons river basin in Cévennes. For this trained architect, it was an opportunity to redefine the contours of her profession by factoring in the link between architecture and water. As part of her thesis, Fabienne Errero produced a series of “thought drawings”, enabling her to put forward ideas and build on her thinking. The text and illustrations in this article are taken from this work, created by the researcher.