A queen stage across the Alps, with over 5,000 m vertical altitude gain. The stage begins in Valsabbia, going up, and takes in a long climb (nearly 30 km) leading to the 2,000‑m Goletto di Cadino. The route drops into the Val Camonica (with a few level crossings along the way) and goes up again, reaching Edolo. The route then tackles the Passo del Mortirolo coming from Monno. Three km before the summit, the road narrows and the gradients rise. A technical descent follows, leading to Grosio on narrow road (quite steep at points). After a flat stretch, the route goes up again, heading for Teglio (on narrowed roadway, with gradients even exceeding 15% at points), and then descends rapidly towards Tresenda, before the closing ascent up the Valico di Santa Cristina. The road, wide and well-paved in the first part (with two short tunnels along the way), narrows as soon as it switches towards the summit. The route winds its way in hairpins through the woods, with sharp gradients, dropping sharply and rapidly into the finish.
The descent from the Valico di Santa Cristina to the ‑1,500 m marker is highly technical, on narrow road and with sharp gradients. In the closing stretch, the route rises steadily at around 3% all the way to the finish (on tarmac).