1985 by Isabelle LETESSIER, SIGALES is a french counsultancy
soils cartography of vineyards and terroirs. Based in the middle of the
French Alps at Saint Martin
close to Grenoble (Isère) our staff is composed of :
Isabelle LETESSIER – Pedologist and Agronomist
Josselin MARION – Geologist and Cartographer
Thomas GAUDIN - Geopedologist
one ideal soil to produce a great wine. Many great wines come
completely different terroirs (granit, limestone, clay, sandstone, …).
easy to understand the influences of all the natural parameters on
quality. However, you can feel that you need to look into all those
to optimise the potential of your natural heritage, the one that nobody
You're welcome to visit our website
which shows our most recent studies in different vineyards areas such
Côtes du Rhône,
Beaujolais, Burgundy, Savoie and Switzerland.