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Natural Monuments

Italy

Piedmont

Torino

Vialfrè

Erratic Boulders Trail - Boulder No. 1

Discover
Places to see

Natural Monuments

Italy

Piedmont

Torino

Vialfrè

Erratic Boulders Trail - Boulder No. 1

Erratic Boulders Trail - Boulder No. 1

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    1. Pietra del Vals – Montalenghe climb loop from Candia Canavese

    48.2km

    04:29

    880m

    Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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    Expert

    Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.

    Intermediate

    Expert mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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    Tips

    February 12, 2025

    The erratic boulders represent one of the most curious and typical aspects of glacial morphologies and are an interesting feature of the Morainic Amphitheater of Ivrea. Due to their imposing size, they have always aroused the interest of man, who in the past often used them as sacrificial altars. The erratic boulders originate from the Balteo glacier in the Pleistocene period: its erosive action gave rise to large debris, which was transported even for great distances with the advance of the ice. At the end of the glaciation, during the retreat phase of the glacier, the boulders were deposited on the ground, sometimes remaining resting on the surface,

    There are many erratic boulders in this stretch of moraine hill, but only 9, the largest and most beautiful, have been reported. This is the first, from which a ring starts that takes you to see them all and returns to the starting point. However, be aware that between boulder 3 and boulder 6 there are steps and you need to bring your bike.

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      Elevation 400 m

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      Location: Vialfrè, Torino, Piedmont, Italy

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