Colle del Turlo

The Colle del Turlo, which has served as a mountain pass since the 13th century, was extensively expanded during World War II as part of the Vallo Alpino. Today, it is an impressive, high-alpine all-mountain tour featuring breathtaking panoramic views and a smooth trail descent.

Description

The tour begins in Valsesia near the Merletti parking area. From here, the route starts with a short stretch on gravel, then continues uphill on asphalt through switchbacks toward Cascata dell’Acqua Bianca. After passing the striking waterfall, you’ll eventually switch to the mule trail, which winds its way up in several switchbacks and over 1,000 meters in elevation to Colle del Turlo, the pass connecting the Valsesia Valley with the Anzasca Valley. The uphill section is typical of a military ramp—pushing the bike in some sections, pedaling in others—and, despite the long ascent, quite drawn-out. However, the panoramic views along the way and at the pass itself make up for it.

The descent starts right from the pass and is very consistent, with a maximum difficulty of S2 on somewhat rougher rock slabs and stones; otherwise, it’s difficulty S1. The route, which was neatly carved into the rock back then, is particularly exciting. In the area of the Cascata dell’Acqua Bianca and near the Rifugio Pastore, you cross the Torrente Sesia and ride downhill through the challenging sections toward Alpe Stiga. There, the route reaches difficulty level S2; the turns are sometimes tight, and a few key sections require precise riding. In the lower section, you rejoin the ascent route, thus completing the tour.

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