Strada delle 52 Gallerie is a WWI military mule road

# Strada delle 52 Gallerie: Italy's Most Dramatic Mountain Trail

Tucked between Trentino-South Tyrol and Veneto in the heart of the Dolomites, the Strada delle 52 Gallerie is one of those hikes that'll blow your mind—and probably haunt your dreams a little bit too. Built during World War I as a military supply route, this 5.3 km (3.29 miles) trail was ingeniously carved into the Pasubio massif to keep soldiers and supplies safe from Austro-Hungarian artillery fire. The Italian Army pulled off something remarkable here: completing this engineering marvel in just ten months, from February to November 1917.

What you're actually walking through is a combination of rock galleries and tunnels—52 of them, to be exact. About 2.5 kilometers consists of these numbered tunnels, ranging from a quick 10-meter stroll to the mind-bending Gallery 19, which stretches 318 meters and spirals through the rock like a corkscrew with four complete turns. All tunnels are at least 2 meters wide and tall (originally designed to fit two mules with their cargo), so they're pretty walkable—unless tight spaces freak you out.

The trail climbs steeply almost the entire way, topping out at 2,000 meters where you'll find jaw-dropping panoramic views. The path itself ranges from smooth sections to seriously uneven terrain, and water seeping from tunnel ceilings keeps things slippery, so watch your footing. Pack a quality headlamp (and a spare) because some stretches are pitch black. No helmet needed, but you'll definitely want reliable lighting.

The scenery is absolutely stunning—think dramatic cliff faces, towering rock formations, and vistas that remind you why you came. Just remember this isn't a casual stroll: the trail is narrow in places with significant drop-offs, and weather matters. Winter is a no-go due to snow and dangerous conditions. Coming down requires careful steps since those slippery tunnel floors become even trickier on the descent.

Once you summit, reward yourself at Refuge Achille Papa for food and drinks. And here's the local legend: people say you can't visit just once. The Strada delle 52 Gallerie has a way of calling hikers back.