The best traffic-free bike rides around Pont-Saint-Martin

On the shores of Lake Pistono stands the Archaeological Park, inaugurated in 2017, which features a life-size reconstruction of part of a Neolithic stilt village. In 2003, an excavation campaign promoted by the Soprintendenza per i Beni Archeologici del Piemonte had brought to light in the lake waters the traces of a stilt settlement dating back about 6500 years. The reconstruction includes a dwelling, a storehouse, and an animal shelter with an enclosure, built using the techniques and materials of the time — chestnut and hazel wood for the structure, straw and clay for the walls, lake reeds for the roof — and furnished with reproductions of everyday objects: fish traps, axes made of wood and green stone, baskets made of plant fiber. The park can be reached with a walk of about half an hour from the Exhibition Space housed in the municipal palace of Montalto Dora, where the original findings from the excavations are preserved and where thematic panels reconstruct the daily life, diet, and material culture of the village inhabitants. Lake Pistono is one of the five glacial lakes nestled among the morainic deposits of the Serra di Ivrea.

The stone bridge of Lillianes, completed in 1733, represents a hydraulic work of exceptional value for the Lys Valley, being the only historic bridge in the region structured on four round arches. The choice of this configuration, supported by robust piers equipped with cut-water spurs, was dictated by the need to span a section of the Lys stream particularly subject to violent floods. The roadway, made with a characteristic donkey-back shape in local stone, hosts a votive shrine dedicated to Saint Roch in the center, historically placed to protect travelers against pestilences. A relevant anecdote concerns the complex financing of the work: the local community, in order not to depend exclusively on central subsidies, chose to heavily tax themselves through the "taglioni" system, a form of mandatory contribution based on land ownership. It is said that the families of the village contributed not only with money but also by providing labor and materials, as the bridge was considered vital for the economy linked to the chestnut trade and transhumance. Another curious detail concerns its incredible resistance: during past floods, while other wooden or lighter structures were swept away, the bridge of Lillianes remained intact, consolidating its fame as an indestructible monument and a symbol of unity for the entire valley population.

The historic center of Perloz constitutes an architectural nucleus of considerable interest for understanding the social and political dynamics of the lower Aosta Valley. The heart of the settlement is represented by the Casaforte Vallaise, a 14th-century quadrangular structure that served as the administrative and judicial center for the noble family of the same name. The building preserves medieval construction elements, including the coat of arms carved on the portals, a testament to the exercise of jurisdictional power over the territory. A short distance away stands the parish church of San Salvatore, characterized by a facade entirely frescoed with a representation of the Last Judgment dating back to the 17th century, a work that served as a tool for religious instruction for the local population. The monumental route continues with the Museum of the Resistance, housed in premises that recall the historical memory of the "Brigata Lys". Here, documents and artifacts related to the events of 1944 are preserved, when the village became a fundamental operational center for the partisan formations in the area. Walking through the narrow stone streets, one also notices the presence of numerous stone fountains and community ovens, symbols of the collective management of rural resources. This stratification of different eras, from medieval feudalism to contemporary history, makes the center of Perloz a relevant technical and cultural stop for those crossing the slopes of the Lys valley.

The first few kilometres starting from Andrate are on a dirt road that is not very smooth in some sections.

It is a unique place of its kind. In a rather small and circumscribed area 2 steps from the Montalto lake (also called "Rabbit" lake) there is an area with a very dark soil composed of water, peat, earth and medium-sized trees. Especially when the ground is wet or it has rained previously if you jump on the surface, it moves creating small waves making the surrounding trees dance. A real show! You can reach the dancing lands from 2 different dirt tracks. For those with good technical skills the entry or exit paths in both directions are also fun to pedal.

In this beautiful peat bog in Montaldo Dora there is a very particular natural phenomenon, which gives the place its name. The Terre Ballerine are in fact called this way because of the particular consistency of the ground, which makes those who walk on it feel like they are walking on a mattress.

The Chiesa del Santissimo Salvatore in Quincinetto, Italy, is a beautiful parish church located in the center of the village, near the bell tower. Although there are reports of medieval origins since 1297, the church was rebuilt in 1770 in the current late Baroque style, according to the design of architect Bella. The church is 35 meters long and has three chapels on each side. The facade is decorated with beautiful frescoes by the famous painter Carlo Cogrossi from Treviglio. The facade has two marker bands that divide it into registers. The lower registers contain six niches with statues of saints, while the upper register shows an altar icon of the Redeemer in relief. The church has a spacious and bright single-nave space with twelve windows that illuminate the interior. The walls are decorated with frescoes of the Via Crucis, altars and decorative floral motifs. The presbytery is crowned with a red canopy and houses an impressive altar in brick and imitation marble. Four frescoes in the presbytery show scenes from the life of Jesus. The church also contains a unique painting of Jesus as the Redeemer. The walls of the choir are decorated with biblical scenes set after the Resurrection of Christ, painted by Carlo Antonio Cogrossi.

The Roman road of the Gauls, built to connect Rome with the Rhone Valley, has in the Donnas section one of its most characteristic and spectacular points, carved out of the living rock over a length of 221 metres. In a place where in ancient times the rocky promontory plunged into the waters of the Dora, the Romans launched a real challenge to nature by carving out a living rock on which they could draw perfectly vertical walls and in whose bosom they cut the roadbed. Exciting and unusual, here the Via delle Gallie gives its best by offering the spectacle of a vaulted passage 4 metres thick, 4 metres high and almost 3 metres wide that eloquently illustrates the amount of rock removed and shows all the refinement of a road engineering never again achieved until viaducts and modern tunnels. In the Middle Ages it served as a gate to the village, which was closed at night; The other defences were of course: on one side the mountain and on the other the river. A fundamental road, much used over the centuries, as evidenced by the deep ruts left by the passage of carts and the wear of the walking surface that has been patched and repaired at various points over time. A little further on, on the right, we recognise the excellent profile of a milestone, also spared in the rocky bank, which informs us of the distance to Augusta Praetoria (the current city of Aosta): XXXVI miles (about 54 km).