This trail may have a different starting point: the fastest passes through Via Merello, goes up to Canevelli and from there arrives at the path that passes under the motorway bridge. A simpler one, starts from Via Garibaldi, reaches the Aurelia and then follow Via Castello until the first junction on the left that connects with Via dei Mulini that crosses Via Canevelli immediately after the passage under the motorway bridge.
Once you get there, you walk along a mule track that runs along the Semorile Stream: you can admire the small lakes formed along the course of the stream and houses formerly used as mills. You go uphill towards Semorile and always climbing through the same mule track you reach “Passo del Monte Anchetta”. Here you can proceed either to the West towards Montallegro or to the east towards the second part of the town and from there you can get to “Santuario della Madonnetta” and go down to San Pietro.