La Châtaigne

A name, a story of chestnut trees

As you walk along the path, look across the valley: you’ll see the hamlet of La Châtaigne. Its name is no coincidence – it tells of a long-standing bond with the chestnut tree, a symbol of survival in mountain life.

These sunny slopes were once dotted with grafted chestnut groves, terraced cereal fields, and goat pastures. Chestnuts were a vital part of the local diet: rich in digestible carbohydrates, vitamins, and fibre, they provided energy through harsh winters.

If you look closely, some tree trunks still show the mark of grafting: a raised ring near the base. This detail reveals ancestral knowledge: grafting selected varieties onto wild rootstocks improved yield and resistance. It was an act of care, shaped by experience.

Near the groves, you could often find small drying houses known as “maisons à grecy”. These simple two-storey buildings, with a lattice floor between levels, housed a slow-burning fire below. The smoke gently dried the chestnuts, killing parasites and preserving them for the winter.

“La Châtaigne” is just one example of a phytotoponym – a place name derived from a plant. Across the Aosta Valley, such names are like keys to a living history. You’ll come across names linked to ash trees (Frassiney, Fréney), birch (Bioula, Bioley), hazel (Coudray, Collère), alder (Verney, Vernaz), cherry (Cerisey), spruce (Pessey, La Pesse), and larch (Brenvey, Brengon).