As for the previous stop, this also corresponds for long stretches to the cycle path for Pontevico.
The starting point of the fourth stop is set in Piazza Garibaldi, from where you must head towards the Town Hall. After crossing viale Gandini, go along it turning left; pass the Town Hall and immediately turn right into via Risorgimento, together with the cycle path.
Full itinerary (3,3Mb)
Quarta Tappa: Oglio Green Path from Sarnico to Ostiano