From the parking area along the lake shore of Ghiffa, the route begins from Via G.Marconi until the small square of Ronco (no trail markers).
Climb the stairway of the church dedicated to the Virgin Mary and to St. Elisabeth, go ahead on the left to via Torino, then on the right in Via Careghetta, where there is the beginning of the mule track leading to the Sanctuary of SS.Trinità.