06:54
66.9km
1,410m
Gravel riding
This difficult 41.6-mile gravel biking loop in Serra d'Ossa offers rugged Alentejo scenery and 4625 feet of elevation gain.
Last updated: February 26, 2026
Waypoints
Start point
Parking
Get Directions
28.9 km
Highlight • Settlement
Translated by Google •
Tip by
30.5 km
Highlight • Religious Site
Tip by
35.2 km
Highlight • Summit
Translated by Google •
Tip by
38.8 km
Highlight • Viewpoint
Tip by
66.9 km
End point
Parking
Way Types & Surfaces
Way Types
43.8 km
21.5 km
1.26 km
399 m
Surfaces
46.5 km
12.0 km
8.40 km
109 m
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Elevation
Highest point (640 m)
Lowest point (260 m)
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Weather
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Monday 6 July
39°C
19°C
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This route was planned by komoot.
This gravel biking loop is classified as a "difficult" ride, demanding very good fitness. It's a challenging route that can take nearly 7 hours to complete, with significant elevation gain. Some segments may even require you to push your bike.
The terrain is diverse, featuring a mix of mostly paved surfaces and more technical dirt roads. You'll traverse vineyards, olive groves, and eucalyptus forests. Be aware that inland areas can be steep and potentially slippery, especially when dry and dusty in late spring, summer, and early autumn. Heavy rain can also make stream crossings impassable.
For better grip and milder weather, consider riding during winter, spring, or late autumn. During late spring, summer, and early autumn, conditions can be very dry and dusty, making some steep sections slippery. Heavy rain can also make stream crossings impassable, so always check local conditions.
The Serra d'Ossa Cycling Centre in Rio de Moinhos serves as a starting point for many routes, including this one. It's a good place to look for parking and offers amenities.
The loop offers picturesque views of the Alentejo Central landscape, including charming vineyards, extensive olive groves, and fragrant eucalyptus forests. You'll pass through quaint locales like Aldeia de São Gregório and can see highlights such as Aldeia da Serra, Our Lady of Monte da Virgem, and the Alto de São Gens summit, which is an archaeological site with a long history. There's also a Scenic road section.
No specific permits or entrance fees are mentioned for accessing the Serra d'Ossa Loop from Rio de Moinhos. However, it's always a good idea to check local regulations if you plan to visit any specific historical sites or private properties along the way.
While the general region is popular for outdoor activities, specific information about dogs on this particular gravel biking loop is not detailed. It's best to assume dogs should be kept on a leash, especially given the diverse terrain and potential for wildlife, and to ensure they are fit enough for such a demanding ride.
Yes, this route intersects with sections of several other official trails. You'll find it overlaps with parts of Eremitas da Serra d'Ossa, PR1 - Fantástica Serra d'Ossa, Caminhos da Aldeia, Até onde a vista alcança, Passadiços da Serra d’Ossa, and Azinhaga do Chaparral.
The Serra d'Ossa Cycling Centre in Rio de Moinhos offers valuable amenities such as repair stations, bike washes, and toilets. While the route passes through some small villages, specific cafes or restaurants directly on the loop are not detailed, so it's advisable to carry sufficient water and snacks.
This loop is rated as difficult, with some segments explicitly noted as potentially requiring you to push your bike. The inland areas of Serra d'Ossa can be steep and slippery, especially when dry and dusty. Be prepared for these sections with appropriate gear and be ready to dismount if necessary. Planning your ride for milder, potentially wetter seasons (winter, spring, late autumn) might offer better grip.
As the name suggests, the "Serra d'Ossa Loop from Rio de Moinhos" is a loop trail, meaning you will start and end in the same location without retracing your steps.
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