Hiking trail to Rifugio Elisa (1515 m)

Excursion on the western side of Grignone from Rongio, upper hamlet of Mandello del Lario. A steep trail in the lush greenery Val Meria to the foot of Sasso Cavalllo and Sasso dei Carbonari. On the way the grotto described by Leonardo da Vinci in the Codex Atlanticus.