
Short, steep border pass to Slovenia with sustained 18 percent ramps near Villach.
The B109 climbs from the Gail valley near Riegersdorf up to the Wurzen Pass on the Slovenian border, a modest 1073 m summit reached by a short but notably steep road with a sustained ramp around 18 percent after a double hairpin. It is one of the busiest car-friendly crossings into Slovenia, so the climb is short on switchbacks but high on gradient. Cold-war bunkers line the route as a now-public museum. Mind the sustained 18 percent ramp, the heavy summer border traffic, and the tight double hairpin at the foot of the steep section.
Where it runs4.2 mi · point to point
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Character
Steeper than 9 in 10 roads here in the catalogue.
Corners
busiest around mile 2Elevation
under 4%4–8%over 8%544 – 1,071.5 mFrom the road
Points of interest2 stops
- Korensko Sedlo – WurzenpassViewpoint3.7 mi in
- Arichspitz / Rihov vrhViewpoint2.7 mi in
Hazards
- Sustained 18 percent ramp
- Heavy summer border traffic
- Tight double hairpin
Sources
“The road is very curvy and steep, hitting an 18 percent of maximum gradient through some of the ramps.”
Verified route: mapped from real road geometry and fact-checked by a human editor. How roads get checked
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