Trichiana rises in the center of Valbelluna. It was inhabited since the Mesolithic and it began to expand during Roman times.

In the Middle Ages it was the stage of the bloody war between Belluno and Treviso for the control of the counties of Cesana and Zumelle which culminated with the destruction of Casteldardo whose turret is the only testimony remaining today. The “Ritmo Bellunese”, one of the first attestations of the literary use of the vulgar Italian, is an important testimony in the Venetian language written on a gravestone exhibited in the Villa Piloni-Federici-Foscolo.