Route line of Predel Pass

Littoral (Goriška) · Slovenia

Predel Pass

203Bovec to Strmec na Predelu

Distance8.9 mi14.3 km
Drive time19 minon the road
DifficultyDemandingtightness 6 of 10

A dramatic Julian Alps border crossing beside emerald Lake Predil and the ruins of Fort Predel.

Road R1-203 climbs from the Soča Valley town of Bovec northward to the Italian border at Strmec na Predelu, tracing the flank of the Julian Alps past the village of Log pod Mangartom. The paved route winds through hairpin bends with steep ramps, delivering views of Mount Mangart to the north and Mount Kanin to the south, with Lake Predil and Fort Predel appearing near the summit. On the Italian side the road continues as Strada Statale 254 to Cave del Predil and Tarvisio, making it a natural loop combined with a return via the Vršič Pass.

Scenery

MountainForestLakesValley

Where it runs

BovecStart · Littoral (Goriška)
Strmec na PredeluEnd · Littoral (Goriška)

Character

Corners29bends
Tightness6of 10
Max gradient17%≈ 1-in-6
Hairpins1tight bends
Climb735 mtotal ascent
Summit1,190 mhighest point of the line · 3,904 ft

Elevation

under 4%4–8%over 8%506 – 1,190 m
summit 600 m800 m1,000 m 0.0 mi4.4 mi8.8 mi

Hazards

  • steep gradients up to 13%
  • narrow road with limited passing room
  • sudden alpine weather changes
  • seasonal closure risk outside May–October

Sources: Road geometry © OpenStreetMap contributors

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