Coll de l'Erola Mountain Pass Road from Barcelona to Sant Cugat del Vallès

This road is located in the Catalonia region of Spain, connecting the city of Barcelona with the town of Sant Cugat del Vallès. The route passes through the Collserola mountain range, specifically crossing the Coll de l'Erola mountain pass at an elevation of approximately 396 m (1,299 ft). The road's proximity to Barcelona, a major urban center, and Sant Cugat del Vallès, a smaller town, provides a blend of city and natural landscapes. The route also runs along several viewpoints, offering riders opportunities to pause and appreciate the surrounding scenery. An interactive map showing the road can be found at the end of this article.

The road spans approximately 13.7 kilometers (8.5 miles) and is surfaced with asphalt of generally high quality, rated 4.4 out of 5. It is predominantly wide (about 94% of its length) and mostly consists of two lanes (about 88%). The road is moderately twisty, with a curviness rating of 1.38 on a scale where 3 is extremely curvy. Elevation varies from 116 m (381 ft) at the lowest point to 419 m (1,375 ft) at the highest, with the mountain pass Coll de l'Erola situated near the upper elevation. Speed limits vary along the route, with maximum speeds of 50 km/h (31 mph), 30 km/h (19 mph), and 20 km/h (12 mph) depending on the section. Approximately 44.4% of the road passes through inhabited areas, reflecting its semi-urban character.

The defining feature of this route is the Coll de l'Erola mountain pass, which is part of the Collserola range. This pass is a recognized geographic landmark and is referenced in local Catalan sources such as Coll de l'Erola (Collserola). Along the road, riders will find multiple viewpoints that provide vantage points over the surrounding landscape, enhancing the riding experience. These viewpoints are notable attractions for those interested in brief stops to enjoy the environment.

This road is accessible year-round and does not have any known seasonal closures or restrictions specific to motorcycles. It is a public road without tolls or entrance fees, although toll conditions may change in the future. For updated information on tolls and fees in Spain, riders can consult official resources such as the Dirección General de Tráfico. The route's combination of urban and natural segments makes it suitable for a variety of motorcycling experiences, from commuting to leisure rides.

The road passes through several named streets and avenues, including Carretera de Sant Cugat a Barcelona, Carretera de Sant Cugat, Avinguda de Rius i Taulet, Avinguda de Gràcia, and Carrer de Francesc Moragas. These segments reflect the road's integration into local infrastructure. Riders interested in exploring the Collserola area further can find more information about the mountain range and its features on platforms such as Wikipedia. The interactive map at the end of this article provides a detailed visualization of the route and its surroundings.