Abruzzo, Lazio and Molise National Park

Forca d'Acero, the pass between Lazio and Abruzzo

The pass, at 1,538 meters, separates San Donato Val di Comino, in Lazio, from Opi, in Abruzzo. From here, hiking and biking trails, free-flying launch sites, and, in winter, snowshoeing itineraries begin.

Autumnal beech forest in red and orange on the side of a valley, with dark clouds and snow-capped peaks
Share 1,538 m
1,538 m Pass altitude Between San Donato Val di Comino and Opi
October Foliage The peak color is around October 26th
6 Webcam Three in Forca d'Acero, two in San Donato, one in Pescasseroli
10 TRAILS From P2 of 1.3 km to the ring of 14.75 km

The Foliage Tracker, day by day

The full-page map, from September 15th to November 15th. Choose the day, tap a line, and read when the forest changes.

Open the Foliage Tracker →
Road in the beech forest with yellow and copper leaves, photo from the Foliage Tracker block

The pass

What location are you in?

The pass has two sides, one in Lazio and one in Abruzzo. Choose which side.

From the Lazio side, the SR509 climbs to the pass, at 1,538 meters. Downstream, you'll find restaurants, accommodations, and the Viale Marconi webcam.

Horses grazing on a high-altitude meadow in front of an autumnal beech forest.

Fall

The foliage of Forca d'Acero, in red and gold

Between October and November, maples and beech trees turn from green to yellow, orange, and copper. The best times for walking and photography are morning and late afternoon.

A hairpin bend on the pass road between yellow beech trees and leaves on the ground

Why go up?

Why climb to Forca d'Acero?

Beech forest with sunbeams between the trunks, in autumn
1

A view on both sides

From the take-off you can see the valleys on both sides and, on clear days, the Tyrrhenian Sea.

2

Trails for every level

From P2 of 1.3 km to the Monte Tranquillo ring of 14.75 km, with a 649 m difference in altitude.

3

Centuries-old beech forests

Some are recognized by UNESCO and change their appearance completely after a snowfall.

4

Sports in every season

Trekking and cycling in summer, snowshoeing and backcountry skiing in winter, and free-flying in thermals.

5

A climb from the Giro d'Italia

The road has been a stage of the Giro d'Italia four times, most recently in 2015.

Webcam and weather

Watch the pass live

Snow, clouds and temperature before leaving.

Live
1,350 m

View of Colle Nero / Comino Valley

Live
1,538 m

Border crossing

Live
728 m

View of Viale Marconi

San Donato Val di Comino

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Tell us about your day at the pass: the best photos end up in our gallery.