The SentierElsa is the trail along the River Elsa inside the Upper Elsa River Park: turquoise water, walkways, small falls and the ancient Gore, the hydraulic system that powered Colle's paper mills and ironworks for centuries.

The Gore are the channels that since the Middle Ages have diverted the Elsa to drive mills, paper mills and ironworks: the reason Colle became a city of paper and, later, of crystal. The SentierElsa follows them.
The colour of the water, the suspended walkways, the river's drops. Length, walking times, closures and swimming rules: to be checked with the municipality. 
In Colle di Val d'Elsa, along the Elsa in the lower town; indicative access coordinates 43.4225, 11.1267. Map on this page.
The historic channels that divert the Elsa to drive mills, paper mills and ironworks since the Middle Ages.
Rules and ordinances are set by the municipality: check before you go.
Length and walking times: to be checked with the municipality.
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