Orrido di Sant'Anna

A short distance from Cannobio, at Traffiume, the torrent Cannobino disappears into a cleft cut over thousands of years: the Orrido di Sant'Anna, a gorge of polished overhanging walls and deep green water, crossed by an old stone bridge and named for the small sanctuary beside it. It is the most dramatic natural sight of the Cannobina valley's mouth.

Why it matters

The official tourism portal of Cannobio describes the orrido as a true natural spectacle: walls of smooth, overhanging rock, spires of stone, and the Cannobino running dark green at the bottom. The gorge shows, in a few dozen metres, the geology that shaped the whole valley — water grinding through rock since the retreat of the glaciers — compressed into a spectacle you can take in from a single bridge. Its cultural layer is equally specific: a sanctuary dedicated to Sant'Anna, commissioned in 1638 by emigrants from the valley then living in Rome, gives the site its name and its devotional history. Nature and faith, water and stone, meet here more vividly than anywhere else in the destination.

What to notice

The old narrow humpback bridge — the so-called agostana bridge — overlooks the ravine, roughly 25 metres deep, where water has polished the rock into dark, curved flutes and pools of deep green. A modern bridge also crosses above the gorge. Seasonal water levels change the appearance of the polished walls and pools. The changing light alters the gorge's appearance: sunlight reaches the bottom at midday, while the ravine is shadowed in morning and evening. Third, the sanctuary of Sant'Anna beside the gorge, with black-marble Solomonic columns at the high altar, paintings of the life of Saint Anne, and a frescoed chapel of Our Lady of Loreto forming the apse, which may be older than the church itself. The gorge marks the beginning of the Cannobina valley landscape.

Context and history

The gorge is the work of the torrent Cannobino, which descends from the Cannobina valley and, at Traffiume on the lakeside road between Cannobio and the Swiss border, passes through a narrow cleft eroded over millennia. Lake Maggiore's official tourism presentation notes the depth of roughly 25 metres and the two bridges, ancient and modern, that cross it. The sanctuary that named the site was commissioned in 1638 by natives of the valley who had settled in Rome — an early document of the emigration that marked these mountain communities — and its Loreto chapel in the apse is thought to predate the present church. The site sits on the historic route up the valley, and a trail follows the Cannobino toward Sant'Agata through the valley's landscape.