5.0
(1)
40
riders
8
rides
Gravel biking in Complexo Intermareal Umia -O Grove, A Lanzad offers a diverse landscape for riders, characterized by coastal paths, forest trails, and agricultural areas. The region features varied terrain, from flat sections near lagoons to gentle ascents on hills like Monte Siradella. Riders can expect a mix of surfaces, including unpaved segments and coastal paths, suitable for gravel bikes. This area provides scenic coastal views and inland routes, encompassing continuous inlets, beaches, and wooded areas.
Last updated: May 21, 2026
5.0
(1)
10
riders
53.1km
03:19
240m
240m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
16.5km
01:13
190m
190m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
29.6km
02:13
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
55.8km
03:42
580m
580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
37.3km
02:49
800m
800m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
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Popular around Complexo Intermareal Umia -O Grove, A Lanzad
12 hiking gems throughout Spain
Hiking in Complexo Intermareal Umia -O Grove, A Lanzad
Running Trails in Complexo Intermareal Umia -O Grove, A Lanzad
Road Cycling Routes in Complexo Intermareal Umia -O Grove, A Lanzad
Cycling in Complexo Intermareal Umia -O Grove, A Lanzad
MTB Trails in Complexo Intermareal Umia -O Grove, A Lanzad
Good hiking and mountain biking route (very technical areas)
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Caution. Trail heavily frequented by hikers.
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The famous shell church was formerly dedicated to San Sebastián, but after the reform, the Virgen del Carmen was substituted as the main image. This chapel venerates the famous San Caralampio III, a 19th-century martyr who is the patron saint of skin diseases. The patronage and veneration of this special place, the thermal waters of the thermal baths on the island of A Toxa, are used as a skin-healing therapy, so people have been going to this chapel since ancient times to ask for the protection of this saint. Why is the church covered with scallop shells? It is the only chapel in the world covered with scallop shells. Originally built in 1909, this was the result of chance. The facade, where the altar is located, faces south, and rain constantly beats down on the walls, creating dampness and damaging the structure. At the end of the 1940s, Raimundo Riestra Calderón, II Marqués de Riestra, summoned a mason to offer a solution to this problem, which had dragged on for almost four decades. The man informed him that a traditional method of preventing water infiltration was to cover scallops with scales all over their surfaces, allowing water to slide down them without wetting the interior. He thought the idea was great and accepted the proposal. When the facade was finished, the Marquis liked it so much that, as administrator of the spa, he ordered the entire church to be covered with shells. It was a slow process that took several years, beginning in the late 1940s and ending in the early 1950s. And one last detail: If you were transported back in time 120 years to the same point where you are now, you wouldn't walk on land, but would float in the water along with the church. Almost the entire garden was an old salt mine, lost in the distant past. It was filled in at the beginning of the 20th century.
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The beautiful chapel with its shell cladding is
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Perfect road for a bike ride, you have to be careful in summer because of the vehicle traffic
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The region offers a diverse mix of terrain. You'll find coastal paths winding along coves and beaches, transitioning into forest trails and agricultural areas, including Albariño vineyards. Expect varied surfaces, from flat sections near lagoons to gentle ascents on hills like Monte Siradella.
While there are no routes specifically graded as 'easy' in our current selection, many of the 'moderate' trails are suitable for riders with some gravel biking experience or good fitness. For example, the Monte Siradella – Espiño Beach loop from A Barrosa is a moderate 10.2-mile (16.5 km) trail that offers a good introduction to the area's varied landscape.
For a more demanding ride, consider the routes graded as 'difficult'. There are 4 such routes available, offering more significant elevation changes or technical sections. One example is the Mountain bike trail – View of Barreiriño Beach loop from A Toxa's Island, which features over 440 meters of elevation gain over its 18.4-mile (29.6 km) distance.
Yes, many of the gravel bike routes in Complexo Intermareal Umia - O Grove, A Lanzada are designed as loops. For instance, the popular Arnosa Cove – Forest Trail by Lagoa Bodeira loop from A Toxa's Island is a 33.0-mile (53.1 km) circular route combining coastal views with forests and lagoons.
The region is rich in natural beauty and interesting landmarks. You can encounter stunning coastal views, especially around Praia do Barreiriño and O Carreiro Rock Formations. Other notable spots include the Buraco do Inferno gorge and the O Grove Coastal Military Battery. Many routes also pass through Albariño vineyards, offering picturesque agricultural landscapes.
The region generally enjoys a mild climate. Spring (April-May) and Autumn (September-October) are often ideal, offering pleasant temperatures and fewer crowds. Summer can be warm and busy, especially along the coast, while winters are typically mild but can be wetter.
While there are no routes specifically labeled 'easy' for very young children, active families can enjoy some of the moderate routes. The varied terrain and coastal scenery make for engaging rides. Consider routes that stick closer to the coast or lagoons for flatter sections, such as parts of the View of Barreiriño Beach – Playa da Lanzada loop from A Toxa's Island.
Many routes conveniently start from well-known locations like A Toxa's Island or A Barrosa. These areas typically offer public parking facilities, making them good starting points for your gravel biking adventure. Always check local signage for specific parking regulations.
Given the varied terrain and coastal influence, layers are recommended. Technical cycling apparel that wicks moisture is ideal. Depending on the season, a windproof or waterproof jacket can be beneficial, especially along exposed coastal sections. Always wear a helmet, and consider padded shorts for comfort on longer rides.
Yes, the towns and villages within Complexo Intermareal Umia - O Grove, A Lanzada, such as O Grove, are known for their gastronomy. You'll find numerous cafes, restaurants, and 'taperías' (tapas bars) where you can refuel and enjoy local cuisine, often close to the coastal sections of the trails.
The area is highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the stunning coastal views, the variety of terrain that keeps rides interesting, and the opportunity to explore both natural landscapes and charming towns. The mix of beaches, forests, and vineyards is a particular highlight.
Generally, no specific permits are required for gravel biking on the public trails and paths in Complexo Intermareal Umia - O Grove, A Lanzada. However, always respect private property and any local regulations or signage you may encounter, especially in protected natural areas.
Yes, the Complexo Intermareal Umia - O Grove, A Lanzada is a significant natural area, particularly known for its birdlife due to the intertidal complex. While riding, especially in quieter forest or lagoon areas, you may spot various bird species. Keep an eye out for other small wildlife in the natural habitats along the trails.


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