
THE FOREST - VALLÉE DE JOUX
THE RISOUD
In this forest of the Vaud Jura grows a treasure sought for centuries: resonance spruce. It is called the green gold of the Risoud. From it come the soundboards of the Swiss Moon Spruce Challenge.
2200 ha
of forest, on both sides of the border
1350m
altitude at its peak
6 °C
annual average, at most
4–5 months
of growth a year
350 years
for a spruce to reach maturity
1 in 10,000
trees fine enough for lutherie, they say
01
A DEMANDING ECOSYSTEM
The climate is harsh. The wind blows for months on end. The soil is karstic limestone: rain seeps straight through. The spruce’s roots stay near the surface.
So the tree grows slowly. Very slowly. Its growth rings are so fine they can be seen with the naked eye. This is where the value of tonewood is born.

UN MASSIF GIGANTESQUE
Le Risoud couvre plus de 2’200 hectares.
Il s’étend de part et d’autre de la frontière franco-suisse.
Côté suisse, il appartient à l’État de Vaud, aux trois communes de la Vallée de Joux et à des propriétaires privés.
La forêt est gérée selon des principes de durabilité. Elle est certifiée.
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