Best mountain passes around Sabadell are accessible from the Vallès Occidental comarca, offering elevated points and natural landscapes. The region provides access to areas like the Montseny Mountains and Sant Llorenç del Munt i l'Obac Natural Park. These locations feature diverse terrain, including distinct conglomerate formations and forested surroundings. The area is known for its recreational opportunities, particularly for cycling and hiking.
Last updated: July 1, 2026
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A very pleasant climb. Few cars, a cool, shady area. There are some rest areas that make the 8km climb manageable.
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The road from Horta to Cerdanyola del Vallès connects the Vallès with the capital through a port with two different slopes, short and intense from Barcelona, and long and continuous from Cerdanyola. A good panoramic view from the Coll, where it crosses the Passeig de les aigues through a footbridge.
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One of the most beautiful climbs through the Collserola Park. The views of the Vallés, with the surrounding mountains of La Mola, Tagamanent, Montseny and Montserrat are well worth it. It is a road in perfect condition without a hard shoulder and with some traffic, although not a lot. It is a classic among cycle tourists in Barcelona. The south side, the one in Barcelona, is very sunny and warm. The Cerdanyola del Vallés side is shaded and very humid, especially on cool winter days.
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One of the two climbs that leave Terrassa and cross the Parc Natural de Sant Llorenç de Munt i l'Obac, thus connecting the Vallés Occidental region with the Bages region. Like the climb to Coll d'Estanalles, Coll de l'Obac is a very gentle climb, on a narrow, rough road, without a hard shoulder, very busy with cars on Sundays and public holidays, so you have to be careful, especially on the descent. The final stretch of the climb, the last 2 km, is by far the hardest, especially a very long straight that exceeds 7%. It is very pleasant to ride there first thing in the morning, with shade and the freshness of the forest. The views of Montserrat, the Bages plain and the Pyrenees line are well worth it... and a good photo.
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Good port from Terrassa. Smooth and continuous climb, between woods and with little traffic.
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The Coll de l'Obac is a beautiful climb that connects the city of Terrassa with Castellbell and Vilar, very close to Monistrol de Montserrat, at the foot of the mountain. It is one of the 3 alternatives to reach the foot of Montserrat from Vallès Occidental, in addition to Vacarisses and the main road that takes us from Martorell and Olesa de Montserrat. It is a port that has 4 aspects: - South slope, which starts from Terrassa. It is a long and difficult climb, especially in its initial part, getting tougher in the last 4 - 5 km, without ever exceeding 6 - 7%. Very twisted road, without shoulder, with rough asphalt and with a lot of motorcycle and car traffic (as well as cyclists) during the weekend and holidays. We must be careful. It is a mostly shady road. - Southwestern slope (BV-1211 road), which crosses the town of Vacarisses and deviates to the left through the "Els Caus" urbanization. The initial part is very laid out; However, the section that crosses the "Els Caus" urbanization has very hard ramps, with the road narrow and concreted in some sections. - North Slope, which starts from Castellbell and Vilar. It is a climb very similar to the South slope due to its length and type of port. It differs from the previous one in that it has a considerable ramp when crossing the town of Rellinars and the road has hardly any shadows. - Northwest Slope (BV-1212 road), which starts from the C-58 road, goes up to the town of Vacarisses and takes the section to the right of the "Els Caus" urbanization, previously described. The first stretch to Vacarisses is straight and very beautiful, with a very quiet and winding road, paved to perfection.
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Coll de l'Alzina balladora, intersection point between continuing the ascent to Puig de la Creu, and continuing towards Tres Pins or towards Can Cadafalch.
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Cyclists frequently visit passes like Forat del Vent, known for connecting the Vallès with Barcelona and offering panoramic views. Another popular route is Talamanca Road, a rural road favored by cyclists. Coll Formic Pass in the Montseny Mountains is also a well-known cycling ascent, often included in races like the Volta a Catalunya, appreciated for its gentle gradients and scenic forested surroundings.
Several passes provide spectacular views. From Forat del Vent, you can see the Vallès, La Mola, Tagamanent, Montseny, and Montserrat. La Mola, the highest peak in Sant Llorenç del Munt i l'Obac Natural Park, offers vast panoramas encompassing the Vallès plain, Collserola, Montseny, Montserrat, and even the Pyrenees on clear days. Puig de la Creu also provides excellent vistas of the Vallès plain, Montseny, Collserola, Sant Llorenç del Munt, and the Mediterranean Sea.
Yes, La Mola is home to the 10th-century Romanesque monastery of Sant Llorenç del Munt at its summit, which now functions as a museum. Puig de la Creu features a 16th to 17th-century castle and the Romanesque church of Santa Maria del Puig de la Creu, with historical records dating back to 1193.
The region is excellent for various outdoor activities. You can find numerous hiking trails, especially around La Mola and Puig de la Creu, which are popular for their well-maintained paths. Cycling is also a major activity, with routes like Coll Formic and Talamanca Road being favorites. For mountain biking, you can explore many routes, such as those found in the MTB Trails around Sabadell guide, or gravel biking options in the Gravel biking around Sabadell guide.
Absolutely. La Mola is an exceptionally popular destination for families due to its well-maintained and accessible paths, such as the historical 'camino de los monjes' starting from Matadepera. Puig de la Creu also offers a comfortable and accessible hiking experience, making it suitable for families.
Most mountain passes in the region are typically open year-round. While occasional temporary closures due to snow can occur in winter, especially at higher altitudes like Coll Formic, the generally mild climate makes them accessible for much of the year. Spring and autumn offer pleasant temperatures for hiking and cycling, while summer is also popular, though it can be warmer.
Coll Formic Pass offers parking areas and an information point available on weekends and public holidays, making it a convenient starting or resting point. For La Mola, paths like the 'camino de los monjes' start from Matadepera, which is generally accessible. Puig de la Creu is also easily reachable, attracting many visitors annually. While specific public transport details vary, these popular spots are generally well-connected or have nearby parking options.
While the monastery at La Mola no longer houses a restaurant to preserve the natural environment, there are typically cafes and restaurants in the nearby towns and villages that serve as gateways to these passes, such as Matadepera for La Mola. Coll Formic also has an information point that may offer amenities, and surrounding areas often have options for refreshments.
Coll Formic Pass, located in the Montseny Mountains, is a well-known cycling ascent frequently featured in the Volta a Catalunya cycling race. It's appreciated for its generally gentle but consistent gradients, excellent road surface, and scenic forested surroundings. It offers panoramic views at various points and is typically open year-round.
La Mola, the highest peak in Sant Llorenç del Munt i l'Obac Natural Park, is characterized by its distinctive landscape formed from conglomerates, creating unique cliffs and monoliths. The mountain also features various caves and chasms, adding to its natural appeal.
Cyclists visiting Forat del Vent should be aware that the road is in perfect condition but has some traffic. The south side (Barcelona) is very sunny and warm, while the Cerdanyola del Vallés side is shaded and humid, especially in winter. It's a classic route among cycle tourists in Barcelona, offering great views of the Vallès and surrounding mountains.
In 2024, restoration efforts at Puig de la Creu included the creation of a new perimeter path and viewpoint. These enhancements aim to improve the visitor experience at this popular site, which attracts approximately 30,000 visitors annually.


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