Monte Padrio, Mountain summit in Lombardy, Italy

Monte Padrio is a 2,153 m mountain on the border between the Val Camonica and the Valtellina, in the municipalities of Tirano and Corteno Golgi. Its summit sits on the Insubric Line: the southern slope is Edolo Schists of the Southalpine Domain, the northern slope Monte Tonale Gneiss of the Austroalpine Domain. Glacial erosion carved the Mortirolo, Trivigno and Pian di Gembro plains, and the Vallone del Santo cuts the western flank.

Monte Padrio straddles the Insubric Line, the tectonic seam that divides the Southern Alps from the Austroalpine domain. Its southern flank consists of Edolo Schists with chloritic micaschists, amphibolite and quartzite lenses; the northern flank is built of Monte Tonale gneiss with two-mica micaschists, garnet and sillimanite. Quaternary glaciers scoured broad flats such as those of the Mortirolo, Trivigno and Pian di Gembro and left moraine deposits, while the Vallone del Santo was cut by the torrent on the western side.

The mountain is known for its bicycle and hiking trails, and a refuge near the top hosts a winery, gift store, and sandwich shop. The summit is divided by the Insubric Line, a tectonic feature of the Periadriatic Seam.

The summit can be reached by road from Trivigno, in the municipality of Tirano, via the Mortirolo Pass, or from Corteno Golgi on the Val Camonica side. A refuge near the top houses a winery, gift shop and sandwich bar.

The mountain features 30 hairpin turns along its access road, with sections reaching gradients of 27 percent on the narrow paved path.