The trail Ferrières (2) has a distance of 14.4 km and an elevation gain of 302 meters.
Hug-o rode this trail on 29-07-2016 on a MTB 29-er
Did this trail under normal weather conditions. Nice ride if you are not too experieced. A lot of regular roads are included and a (nice) regular bike-path beside the river. I would not travel extra kilometers for it, but fun to do if you are already in this area.