Mill Valley routeThe ancient road of Val of Covola-GalliumThe Valle dei MuliniScheda tecnicadifficultiesMedium when wetAltitude difference150 mTime3.5 h (2.5 h walk)PeriodLate spring, summer, early autumnAccessibilityAdults, teens. Also suitable for persons with disabilities of auditory and Visual type when accompaniedThe pathCentre of GalliumThe entrance to the Valley of CovolaGuided visit to the millsContrada RonchiCentre of GalliumInterestsHistorianUntil the first world war the whole Valley played a role of particular commercial interest. Le case della contrada below were built along steep slopes lined up at the side of the trough.The eight buildings had two floors and at times they even served as a dwelling. The discussions were numerous, grain mills, batteries for barley, feel from mezzalana, pestascorze and wood saws.NaturalisticThe territory of Gallium, unlike other areas of the plateau, is full of perennial water sources. Their abundance along the extension of the woodlands, has meant that over the centuries developed crafts or paleoindustriali, first among them the leather tanning. There was in fact both the water to move the wheels of mills that FIR bark, from which derive the tannin, used to make rot proof skins.Theart of tanning was a branch of thePlateau and constituted "one of the heads of some importance in their trade with the outside". Among the leading sources include Covola, remembered by many historians that flows just below the village of gallium, giving the name to the Valley.