WorldwideItalyLiguriaSavonaOnzoWorldwideItalyLiguriaSavonaOnzoCycling Climbs in Onzo There are 2 cycling climbs in Onzo.Clicking on the climb category column will toggle between category and difficulty score.NameDistanceAvg GradientTotal ElevationClimb Category1.biv.st 453 -bosco -marnoreo -gravel L.B6.39 km4.3%278 mCat. 32.Onzo - Lago di Menezzo3.23 km4.5%147 mCat. 4