From Pontebba to Venzone the Alpe Adria Cycle Route goes across the most evocative part of the old “Pontebbana” railway. In my opinion this is the most stiking stage of the cycle route: the cyclists met many bridges, viaducts and tunnels that date from the end of 19th century.
We are entering the wildest part of the “Canal del Ferro” canyon, characterized by numerous overhanging walls that enclose the narrow valley of the river Fella. We cycle along some quite long tunnels till the scenic "Ponte di Muro" bridge that leads us on the other side of the valley. After passing other tunnels and viaducts, the valley widens a little offering nice views. Just beyond the old station of the Dogna village we encounter a long and high bridge from which we can enjoy the view of the Dogna valley closed by the rocky walls of “Jof di Montasio” mountain. The bike path continues with a long straight, after passing some short tunnels, offers us a beautiful view of the Cadramazzo’s stream waterfall.
The cycle route go straight along the valley reaching a narrow passage where in the past stood "La Chiusa": a fortress built to defend the valley but also to impose the payment of a duty to those who transited. Here we ride also through a characteristic oblique iron bridge that brings us back to the opposite side of the valley. Soon we reach the village of Chiusaforte, where we recommend a stop at the former train station: the historical building was turned into a cafe but also in a friendly place where you receive a lot of informations about the valley, the cycleway, the old railway or simply relax yourself.
Beyond Chiusaforte we still encounter some tunnels dug into the rocks, a waterfall and we can admire the mighty fortress of Chiusaforte, built in 1904, which is currently being restored to be converted in museum of the Great War on the Alps. Just before the “Ponteperaria” bridge, that passes again the Fella river, cyclists can choose between two options. The first reaches Moggio Udinese, through the villages of Roveredo and Ovedasso. The road is paved with little motor traffic but you’ll meet some steep hills. Most of the cyclists prefer the second option going straight to Resiutta riding on the bicycle path that follows the old railway as usual. This option is the official path of the Alpe Adria Cycle Route that goes on to the old Resiutta’s station. After the village of Resiutta we cycle through the two longest tunnels of the whole Alpe Adria bicycle route and we arrive at the abandoned train station of Moggio Udinese.
At the moment the cycle lane ends here and you have again two options to go on. The first one is to cross the river Fella reaching the town of Moggio Udinese, famous for its abbey founded by Benedictine monks in 1084. From Moggio you can arrive at the village of Carnia passing close to the hamlet of Campiolo and riding along a charming military road (partly paved and partly gravel) that offers picturesque views of the terminal part of the Fella’s valley. The second option is to cycle from Moggio’s station to Carnia on the busy national road (SS13). In Moggio ends also the official signage of the Alpe Adria Cycle Route. Luckily some volunteers (the Radweg Angels) placed a lot of stickers that help cyclists not to loose the way: try to follow them!
After the village of Carnia you'll cross the hamlet of Portis Vecchio (abandoned after the earthquake of 1976) using some pleasant unpaved roads that run between the railway and the Tagliamento river. As for the previous part, the lack of signs force most cyclists to ride along the national road. Only a few kilometers after the "ghost town" of Portis we enter in Venzone, the only example in Friuli of a fortified town of the 13th century.