Monte Vettore and Lago di Pilato from Forca di Presta

The ascent of Monte Vettore with a descent to the Lago di Pilato is the great high-mountain hike of the Marche, set in the Parco Nazionale dei Monti Sibillini on the border of the Ascoli Piceno province and Umbria. The classic circuit starts from the Forca di Presta pass at about 1,540 metres, reached by mountain road from Arquata del Tronto or from the Castelluccio plateau, with roadside parking at the col. The full loop covers roughly 19 kilometres with around 1,580 metres of cumulative ascent and takes seven to eight hours, a demanding day rated for experienced hikers (EE in the Italian grading) because of the length, altitude, and exposed terrain rather than any technical climbing. From Forca di Presta the path climbs steadily up grassy slopes past Monte Vettoretto, gaining the high ridge near the Tito Zilioli refuge at about 2,240 metres, then continues along an airy crest with steep drops to the summit of Monte Vettore at 2,476 metres, the highest point of the range. The summit panorama is immense, reaching across the Sibillini, the Gran Sasso, and on clear days to the Adriatic. From the ridge a steep, rough path descends into the glacial cirque holding the Lago di Pilato, the only natural lake in the Sibillini, a high tarn wrapped in legend and home to the Chirocephalus marchesonii, a tiny red crustacean found nowhere else on Earth, which is why swimming and entering the water are forbidden to protect it. The terrain ranges from grassy slope to loose scree and rock on the upper ridge, which is genuinely exposed, and the area is crossed by the active Vettore-Bove fault that ruptured in the 2016 earthquakes, leaving visible ground fissures. There is no reliable water on the high route and weather changes fast at altitude, so hikers must carry warm windproof layers, plenty of water, and start early to clear the ridge before afternoon storms. Waymarking follows the CAI blazes and national park signage; the ridge is best avoided in snow, wind, or poor visibility. Spectacular and serious in equal measure, this is the standout mountain expedition in the region.