4.6
(8)
44
riders
4
rides
Gravel biking around Caldas Da Rainha (Santo Onofre) offers diverse landscapes, from the edges of the Óbidos Lagoon to coastal areas and varied inland terrain. The region features a mix of paved and unpaved surfaces, providing varied experiences for gravel cyclists. The landscape includes coastal cliffs, natural reserves, and areas within the Western Geopark, offering geological and natural diversity.
Last updated: July 11, 2026
4.8
(4)
30
riders
48.0km
02:36
360m
360m
Hard gravel ride. Good fitness required. You may need to push your bike for some segments of this route.
4.5
(4)
10
riders
45.0km
02:32
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
31.7km
01:54
270m
270m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
27.8km
01:32
260m
260m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Caldas Da Rainha (Santo Onofre)
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Poorly maintained, some sections dangerous because of landslides due to the water and rain. If you like to bike in dense vegetation and get your face smacked, this is for you. If else, take the road nearby
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An entrance in the city wall, with some tile panels that I loved seeing.
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Beautiful photos. Thank you 🙏
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The Porta da Vila is the city's main gate. It consists of two low, staggered gates to prevent a direct cavalry charge, as was often the case with Gothic Portuguese castles. Between the gates is a small balcony that served as a prayer room, with beautiful blue and white tiles (azulejos) from 1740 depicting the Passion of Christ. Street performers often play there because of the acoustics.
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Penedo Furado dates back to the Jurassic period, when the sea bathed this inland area, close to Nadadouro. It is now a huge rock, light brown in colour and on the side facing the Óbidos Lagoon, signs of erosion are visible, with deep cavities and one of them ended up going through the rock, forming a passage.
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Turn boldly here and cross the sign area.
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The Óbidos Lagoon is the largest coastal lagoon system on the Portuguese coast. It has a total area of approximately 6.9 km2 and an average depth of two metres, with elevations ranging from half a metre to five metres. It extends upstream essentially through two channels, to the west by the Braço do Bom Sucesso, and to the east by the Braço da Barrosa. It shares a land border with the municipality of Caldas da Rainha to the north (parishes of Foz do Arelho and Nadadouro) and with the municipality of Óbidos to the south (parishes of Vau and Santa Maria). To the south is the Poça do Vau and to the west it is connected to the Poça das Ferrarias. It has a maximum length of 6 km and a width that varies between 1 and 1.5 km, with a preferential NW-SW orientation.
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It is best to visit in the winter months, when you have air in the narrow streets
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The gravel bike trails in this region offer a diverse mix of landscapes. You'll find routes along the scenic edges of the Óbidos Lagoon, coastal paths with breathtaking ocean views, and varied inland terrain. The surfaces often combine paved and unpaved sections, providing a dynamic experience for gravel cyclists. Expect moderate gravel sections and some elevation gains, particularly around the lagoon and in areas like the Serra do Bouro.
The trails cater to a range of skill levels. While there are no easy routes listed, you'll find 4 moderate routes and 1 difficult route. This means most trails require a good level of fitness and some riding experience, with options for those seeking a more challenging ride.
While the listed routes are primarily moderate to difficult, the region's 'Caminhos da Rainha' network includes paths suitable for various fitness levels. For a more relaxed experience, consider exploring the flatter sections around the Óbidos Lagoon or the tranquil paths within the Parque Dom Carlos I and Mata Rainha Dona Leonor, which offer a gentler introduction to cycling in the area.
Many routes offer stunning natural beauty and points of interest. You can cycle along the picturesque Foz do Arelho Beach, enjoy views of the Coastal Cliffs, or explore the unique Salir do Porto Dune. The Óbidos Lagoon itself is a major highlight, offering scenic views and diverse ecosystems. Some trails also pass through areas of the Western Geopark, known for its geological significance.
The region generally enjoys a mild climate, making it suitable for gravel biking for much of the year. Spring and autumn offer pleasant temperatures and less crowded trails. Summer can be warm, especially inland, so early morning or late afternoon rides are recommended. Winter is typically mild but can bring more rain, so checking the weather forecast is always a good idea.
Yes, many of the gravel routes in Caldas da Rainha (Santo Onofre) are designed as loops, allowing you to start and finish at the same point. Examples include the challenging Óbidos Lagoon – Lagoa de Óbidos Gravel Trail loop from Poça Pequena, the moderate Lagoa de Óbidos Gravel Trail – Óbidos Lagoon loop from Caldas da Rainha, and the shorter Óbidos Lagoon – Óbidos Lagoon loop from Caldas da Rainha.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 5 reviews. Riders often praise the varied terrain, the beautiful scenery around the Óbidos Lagoon, and the mix of coastal and inland experiences. The well-maintained paths and the opportunity to explore both natural and cultural sites are also frequently highlighted.
Absolutely. The region is rich in history and culture. You can cycle towards the historic town of Óbidos, with its impressive Town Gate and magnificent Óbidos Castle. The Óbidos Lagoon – Óbidos – Town Gate loop from Caldas da Rainha is a great option for combining cycling with cultural exploration. Within Caldas da Rainha itself, the Chafariz das Cinco Bicas – Caldas da Rainha 🏛️ Town Centre loop from Caldas da Rainha offers a ride through the city's heart.
Many of the routes start from Caldas da Rainha or nearby towns like Poça Pequena, where public parking is generally available. For routes around the Óbidos Lagoon, you'll often find designated parking areas near access points to the lagoon's edge or in the small villages surrounding it. It's advisable to check specific starting points for the most convenient parking options.
Yes, especially on routes that pass through or near towns and villages. For example, routes starting from Caldas da Rainha will have access to numerous cafes and restaurants. Trails around the Óbidos Lagoon often pass through small communities where you can find local establishments for a break and refreshments. It's always a good idea to carry sufficient water and snacks, especially on longer or more remote sections.
Given the varied terrain and potential for elevation, we recommend bringing a well-maintained gravel bike, appropriate cycling attire, a helmet, and plenty of water. Depending on the season, layers of clothing are advisable. A repair kit, spare tube, and pump are essential. Don't forget your phone for navigation and emergencies, and a camera to capture the stunning scenery!


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