3.9
(5)
48
riders
3
rides
Gravel biking around Biel offers diverse landscapes at the foot of the Jura Mountains and along Lake Biel. The region features challenging ascents in the Jura foothills, extensive vineyards, and dramatic gorges like Taubenloch and Twannbach. Terrain varies from demanding mountain trails to scenic lakeside paths, providing a range of experiences for gravel cyclists.
Last updated: July 11, 2026
3.7
(3)
18
riders
36.8km
03:06
870m
860m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
9
riders
96.8km
08:50
1,940m
1,940m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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7
riders
142km
11:32
2,760m
2,760m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
3.0
(1)
4
riders
51.8km
04:43
950m
950m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Biel
In 2021, Castillo de Loarre was named the most beautiful castle in Spain. It is a magnificent Romanesque castle, the oldest parts of which date back to the early 11th century. This makes it one of the oldest surviving castles in Spain.
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You must walk around the alleys of Agüero, and there is a magnificent view of the Mallos de Agüero.
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The Donjon has no fewer than 5 floors and can be admired in several films.
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The Castle of Loarre is a monastic fortress built from the year 1019. The castle is considered one of the most beautiful in Spain and has enjoyed heritage protection since 1906.
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The impressive remains are located approximately 250 metres north of the Marcuello castle.
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Narrow and natural gorge.
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The city is home to artistic treasures such as the Romanesque Church of El Salvador and the 12th-century Church of Santiago. The latter, located one kilometer from the city, has been declared a National Monument and is one of the most beautiful Romanesque temples in Aragon.
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The castle contains elements of Romanesque architecture and has Bien de Interés Cultural status, which indicates its importance to the Spanish architectural heritage.
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The region around Biel offers a diverse range of terrain for no-traffic gravel biking. You'll find everything from challenging ascents in the foothills of the Jura Mountains, such as those encountered on the Mallos de Riglos – Peñas de Riglos loop from Agüero, to more moderate loops and easy lakeside paths along Lake Biel. Expect a mix of gravel paths, forest roads, and quiet country lanes, often winding through picturesque vineyards and charming villages.
While the routes highlighted in this guide are generally rated as 'difficult' due to their length and elevation, the broader Biel region, particularly around Lake Biel, offers many quieter paths suitable for families. These often include flat, paved sections along the lake and through vineyards, which can be enjoyed by all skill levels. For specific no-traffic gravel routes, consider shorter sections of the longer tours or explore the extensive network of cycling paths that prioritize safety away from main roads.
The no-traffic gravel trails around Biel offer stunning natural beauty and historical landmarks. You can explore the dramatic rock formations like the Peñas de Riglos and Mallos de Agüero. Many routes also pass by historic castles, such as Biel Castle, which you can view on the View of Biel Castle and Church – Biel Castle loop from Biel. The region is also known for its picturesque vineyards along Lake Biel and natural gorges like the Taubenloch and Twannbach Gorges, offering unique scenic stops.
The best time for gravel biking in Biel is generally from spring to autumn (April to October). During these months, the weather is milder, and the trails are typically dry and in good condition. Spring offers blooming landscapes, while autumn provides vibrant fall colors, especially in the vineyards. Summer is also excellent, with the added benefit of being able to cool off with a swim in Lake Biel. Winter riding is possible but can be challenging due to snow and ice, particularly in the Jura Mountains.
Yes, many of the no-traffic gravel bike routes around Biel are designed as loops, allowing you to start and end at the same point. Examples include the Loarre Castle – Peñas de Riglos loop from Riglos and the Mallos de Agüero – Pígalo Pools loop from Agüero. These circular routes are ideal for day trips, as they eliminate the need for shuttle services or backtracking.
Biel is well-connected by public transport, and many trailheads are accessible via train or bus. The city itself is a major transport hub. For routes further afield, such as those in the Jura Mountains or around Lake Biel, local bus services often connect to smaller villages near popular starting points. It's advisable to check the specific public transport connections for your chosen route's starting point.
Yes, the Biel region is dotted with charming villages and towns, especially along Lake Biel and through the vineyards, where you'll find cafes, restaurants, and local wine cellars. The Old Town of Biel also offers numerous options for refreshments. While some remote mountain trails might have fewer facilities, routes passing through populated areas or along the lake will provide ample opportunities for a break and a meal.
The no-traffic gravel bike trails featured in this guide are generally rated as 'difficult'. This is primarily due to their significant distances and considerable elevation gains, particularly in the Jura Mountains foothills. For example, the Mallos de Riglos – Peñas de Riglos loop from Agüero covers over 140 km with nearly 2,800 meters of ascent. Riders should have a good level of fitness and experience with gravel terrain.
Generally, no specific permits are required for gravel biking on public trails and roads in the Biel area. However, it's always important to respect local regulations, especially when riding through nature reserves or private land. Stick to marked trails, be mindful of hikers and other trail users, and avoid disturbing wildlife. Always check for any temporary closures or specific rules for certain areas, particularly within protected zones like the Chasseral Regional Park.
The no-traffic gravel trails around Biel are highly rated by the komoot community, with an average score of 3.7 stars. Reviewers often praise the stunning panoramic views from the Jura Mountains, the serene beauty of Lake Biel and its vineyards, and the quiet, car-free nature of the routes. The diverse terrain, from challenging climbs to scenic lakeside paths, also receives positive feedback for offering varied and engaging rides.
Parking is generally available in and around Biel, as well as in the smaller towns and villages that serve as starting points for many routes. For trails originating in Biel, public parking garages are an option. For routes in more rural areas, look for designated parking lots near trailheads or in village centers. Always check local signage for parking restrictions and fees.
Many trails in the Biel region are dog-friendly, especially if your dog is well-behaved and kept on a leash. However, specific rules can vary depending on the area, particularly in nature reserves or agricultural zones. It's always best to check local regulations for the specific trail you plan to ride. Ensure you carry enough water for your dog, especially on longer routes, and be prepared to clean up after them.


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