The Bad Eisenkappel/Železna Kapla 133 route is situated in the eastern Alps, forming a transnational connection between Austria and Slovenia. The road crosses the Seebergsattel (Jezerski vrh) mountain pass at an elevation of 1,215 m (3,986 ft), linking the Austrian town of Bad Eisenkappel (Železna Kapla) with the Slovenian region of Jezersko. The route passes through the Karawanken-Karavanke UNESCO Global Geopark, offering a ride through the Kamniško-Savinjske Alpe and Karavanke mountain ranges. An interactive map showing the road can be found at the end of the article.

This mountain pass road is approximately 5.6 km (3.5 miles) in length, with a surface composed of high-quality asphalt. The route is characterized by its very twisty alignment, providing a technical challenge for riders. The road maintains two lanes throughout its length (about 100%), with the majority (about 77%) being wide, allowing for comfortable passing and maneuvering. Only a small proportion (about 2.8%) of the road passes through inhabited areas, ensuring an uninterrupted riding experience. Elevation ranges from 877 m (2,877 ft) at its lowest point to 1,219 m (4,000 ft) at its highest, with the Seebergsattel pass itself at 1,215 m (3,986 ft). The route is well-maintained, with a surface quality rated as excellent, minimizing the risk of potholes or uneven patches.

The highlight of this route is the crossing of the Seebergsattel (Jezerski vrh) pass, a historic alpine crossing point. The road traverses the Kamniško-Savinjske Alpe and the Karavanke mountain ranges, both known for their rugged landscapes and alpine flora. The Karawanken-Karavanke UNESCO Global Geopark is a significant feature of the area, recognized for its geological diversity and cross-border cooperation. Riders may also appreciate the proximity to the town of Bad Eisenkappel, which serves as a gateway to the region's natural and cultural attractions.

The Seebergsattel pass is subject to seasonal closures due to snow and adverse weather conditions, typically from late autumn to early spring. Motorcyclists should verify current road status before planning a trip, as closures may vary depending on weather patterns. There are no permanent restrictions for motorcycles on this route, but temporary closures may occur due to maintenance or special events. For up-to-date information on road conditions and seasonal accessibility, consult the official ASFINAG road conditions resource for Austria and the Promet.si portal for Slovenia.

Currently, there is no toll or entrance fee required for motorcycles to use the Bad Eisenkappel/Železna Kapla 133 route via the Seebergsattel pass. However, toll conditions may change in the future, and riders are advised to check the latest information before departure. For comprehensive details on road tolls and entrance fees in Austria, visit the ASFINAG toll information page. For Slovenia, refer to the DARS vignette information page. Both resources provide current pricing and regulations for motorcyclists.