La Rierada and Santa Creu d'Olorda Loop

This route is rated as moderate for touring bicycles. While it features diverse terrain including wide gravel roads and some paved sections, be prepared for significant elevation changes. The climb to Coll de Santa Creu d'Olorda, for example, involves a 417-meter gain over 8.9 km with an average gradient of 4.7%, and some segments within Collserola can be quite steep, reaching up to 19-20%.

Given the 'circular gravel' description and the varied terrain within Collserola Natural Park, a gravel bike is ideal. While touring bicycles are specified, be aware that some segments can be rugged, so a bike capable of handling both gravel and potentially rougher paths will provide the best experience.

The route typically starts from Molins de Rei. While specific parking areas are not detailed, you'll likely find parking options within the town itself, especially near the starting point of the trail. Consider searching for public parking facilities in Molins de Rei before your visit.

You'll encounter several notable spots. Highlights include the scenic La Rierada Waterfall (Molins de Rei) and the historic Santa Creu d'Olorda Hermitage, which dates back to 1632. The route also passes by the ruins of Castellciuró, a 10th-century Romanesque castle, and offers natural springs like Font de la Tartana for refreshing stops.

The trail offers beautiful natural scenery within the Collserola Natural Park, characterized by Mediterranean oak and pine forests. From higher elevations, especially around Santa Creu d'Olorda, you can enjoy panoramic views of Barcelona, the surrounding coastline, the Sant Feliu valley, and the Llobregat delta.

Given its 'moderate' difficulty, significant elevation changes, and potentially rugged gravel sections, this specific route might be challenging for younger children or beginner cyclists. While Collserola Natural Park has family-friendly options, this particular circular gravel route is better suited for cyclists with some experience and good fitness.

The Collserola Natural Park is generally pleasant for cycling during spring and autumn when temperatures are milder. Summers can be hot, and some paths might be dusty. Winters are usually mild but can be damp. Always check the weather forecast before heading out.

Dogs are generally allowed in the Parc Natural de la Serra de Collserola, but they must be kept on a leash, especially to protect wildlife and ensure the safety of other trail users. Always follow local regulations and be mindful of other cyclists and hikers.

No, there are typically no entrance fees or specific permits required for cycling on the public trails within the Parc Natural de la Serra de Collserola. However, always respect park regulations, stay on marked paths, and be aware of any temporary restrictions or specific rules for certain areas.

Yes, this route shares sections with several other official trails. Notably, it covers parts of the Sant Feliu de Llobregat a Molins de Rei (33%), Camí del Llobregat (30%), and Camí de Sant Jaume (l'Hospitalet - Tàrrega) (22%). You'll also find smaller segments overlapping with routes like Ruta Mediterrània and El Camí IT3TR2 El Camí Metropolità: de Montserrat a Barcelona.

While the route passes through natural areas, the Santa Creu d'Olorda area is a clearing in the forest, and you might find some local establishments or masías (farmhouses) that offer refreshments. Molins de Rei, being the starting point, will have various cafes and restaurants. It's always a good idea to carry sufficient water and snacks, especially for the longer stretches within the park.