The recorded total and the leg detail need reconciliation. Inspect the leg notes before using this record for timing or navigation. Stops, delays, approach and any separate return travel add time. Basis: producer-declared routed record.
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Distance and riding time are measured on the routed road. Check local closures and conditions before you ride.
464 km from Idrija to Idrija, about 9 h 48 of riding. It goes by way of Škocjan Caves, Snežnik-Ždrocle, Krokar and back through Snežnik-Ždrocle. The stored terrain estimate reaches about 900 m; a measured road-elevation profile is not available. It was put together for the scenery rather than the shortest line.
Waypoint introductions and full write-ups
1. Vojsko - Idrijca Water Barrier
The water barriers of the Idrijca are among the strangest industrial monuments in Europe: massive stone and timber dams built across a narrow mountain river not to store water for drinking or power, but to float logs. Locals call them klavže, and the biggest have been nicknamed the Slovenian pyramids for their huge, carefully cut blocks. They lie in the deep, wooded gorge below the Vojsko plateau, a short ride from the town of Idrija.
May refer to an earlier itinerary; verify against your selected route before riding.
Planning note
Vojsko - Idrijca Water Barrier is where the day begins. Next is Škocjan Caves.
2. Škocjan Caves
Underneath the sleepy stone villages of the Slovenian Karst, a river called the Reka plunges into the earth and carves one of the largest underground canyons known anywhere. The Škocjan Caves, a UNESCO site since 1986, are the reason the word karst became the scientific name for this kind of limestone landscape everywhere in the world. Inside, a narrow footbridge spans the Reka gorge far above the roaring water, the chamber walls disappear into darkness, and the scale is so huge that your mind struggles to accept it is all underground.
May refer to an earlier itinerary; verify against your selected route before riding.
Planning note
Škocjan Caves comes up 45 km in. Next is Snežnik-Ždrocle.
3. Snežnik-Ždrocle
Ždrocle is a fragment of primeval beech forest on the slopes of Snežnik, the big karst mountain in the far south of Slovenia, close to the Croatian border, and it is one of the components of the great European UNESCO listing of ancient and primeval beech forests. That listing stretches from the Carpathians to Spain, but here you are in its Dinaric heart, where beech, fir and maple grow on a chaotic surface of limestone sinkholes, sharp ridges and hollows full of moss. Snežnik itself rises to just under eighteen hundred metres and holds its snow late, which is how it got its name.
May refer to an earlier itinerary; verify against your selected route before riding.
Planning note
89 km in you reach Snežnik-Ždrocle. Next is Krokar.
4. Krokar
Krokar is one of the last true virgin forests in Europe, a reserve of beech and fir on a steep slope above the Kolpa river in southern Slovenia, where humans have never logged or managed the woods. Trees grow, fall and rot as they have done since the end of the Ice Age, and the result is an extraordinary tangle of giant trunks, dead wood and fresh saplings, home to fungi, beetles and birds that need old, undisturbed forest. Since 2017, Krokar has been part of the UNESCO site of the Ancient and Primeval Beech Forests of the Carpathians and Other Regions of Europe. The reserve itself is strictly protected and not open to visitors; you can walk along its edge, but the heart of it is left alone, which is precisely the point.