If brooks and rivers run only sluggishly above ground, hydropower is nearly impossible to harness. That is why the inhabitants of the valley of Le Locle began to use subterranean streams. This is how the cave mills of "Col-des-Roches" arose.
The village of Trubschachen in the Emmental is a fusion of tradition and innovation. An interactive tour will provide you with fascinating insights into three innovative Swiss companies with a history of tradition.