5.0
(4)
55
riders
5
rides
Gravel biking around Isola Di Fondra offers routes through the Alta Val Brembana within the Orobie Alps Park. The region features mountainous terrain with peaks like Pietra Quadra (2356 m) and Mount Torcola (1636 m), alongside the Brembo River. Unpaved ancient mule tracks and historical connecting paths provide varied surfaces for gravel cyclists. These "strade sporche" (dirt roads) allow for exploration away from paved roads, connecting hamlets and offering panoramic views.
Last updated: May 30, 2026
10
riders
113km
08:55
3,550m
3,550m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
12
riders
43.1km
03:37
1,490m
1,490m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(2)
13
riders
58.2km
04:30
1,800m
1,800m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
12
riders
31.6km
02:49
1,310m
1,310m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
12.8km
00:58
380m
380m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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entrance to the inhabited area of Cassiglio
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stop before arriving in Cassiglio
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Piani dell'Avaro, from here various paths branch off either uphill (Ponteranica lakes or S.Marco pass) or downhill, such as Terza Avaro
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Please note that the paths pass through pastures with free-ranging cattle
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Border pass between Fusine and Foppolo (Bergamo). It's a pass steeped in history, with the Cadorna trenches. The road from Fusine (Valtellina) is wide and easily cycled.
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Pedalable climb up to Cosio, the last village before the 7.5 km at 9% average that lead to Piani dell’Avaro. In the final stretch panoramic hairpin bends and waterfalls. At the top I recommend the Al Ciar bar/restaurant
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The terrain around Isola Di Fondra is characterized by ancient mule tracks, historical connecting paths, and 'strade sporche' (dirt roads). You'll encounter a blend of challenging and scenic routes, often unpaved, allowing you to explore the natural landscape away from main roads. The region is mountainous, with peaks like Mount Torcola and Pietra Quadra, and features river valleys along the Brembo River.
The gravel biking routes around Isola Di Fondra are primarily suited for experienced riders, with most listed as 'difficult'. However, for a less demanding option, you might consider sections of the paved Brembana Valley cycle path, which can serve as a connecting route to more adventurous gravel trails deeper in the valley. One route, Fountain at Passo Zambla – Zambla Pass loop from Zambla Alta, is rated as 'moderate' and offers a shorter, less intense experience.
Isola Di Fondra offers stunning natural beauty. You can enjoy dramatic mountain backdrops, pristine springs, and the scenic Brembo River. A redeveloped 'Observatory' at Castelletto, accessible via a trail from Via Piana, provides breathtaking panoramic views. You might also encounter highlights like the Sanguigno Valley or the Arera Basin, which are notable gorges in the area.
Yes, the region is rich in history. You can explore historical hamlets like Pusdosso, Cornelli, and Trabuchello, connected by ancient mule tracks and 18th-century bridges, such as the 'Canals Bridge' built in 1715. Notable churches include San Lorenzo, with its 1541 painting, and the Church of Trabuchello, featuring 15th-century frescoes. You can also find historical sites like the Dossena Mines or the Cadorna Line trenches at Passo di Dordona.
The gravel biking routes in Isola Di Fondra are highly rated by the komoot community, with an average score of 5.0 stars from over 3 reviews. More than 60 gravel bikers have used komoot to explore the varied terrain, often praising the challenging nature and the immersive experience of riding on ancient mule tracks and dirt roads away from paved surfaces.
Yes, for those seeking longer rides, the area offers extensive routes. The San Marco Pass – Valtellina Trail loop from Piazza Brembana is a difficult 71.4-mile (114.9 km) trail, and the Bridges Over the Brembo River – Valle Brembana Cycle Path loop from Zambla Alta covers 75.5 miles (121.5 km), both offering significant elevation gain through alpine landscapes.
Yes, several routes are designed as loops, allowing you to start and end in the same location. Examples include the San Marco Pass – Valtellina Trail loop from Piazza Brembana, the Bridges Over the Brembo River – Valle Brembana Cycle Path loop from Zambla Alta, and the Piani dell'Avaro – Monte Avaro Hut loop from Olmo al Brembo.
The mountainous terrain and potential for challenging conditions suggest that late spring, summer, and early autumn are generally the best times for gravel biking in Isola Di Fondra. During these seasons, you'll likely encounter more favorable weather and clearer trails, avoiding snow and ice that can affect higher elevations in winter.
While specific public transport options directly to trailheads might be limited, Isola Di Fondra is accessible within the Alta Val Brembana. For parking, you'll generally find options in the main hamlets like Fondra and Trabuchello, or at common starting points for routes. It's advisable to check local information for the most convenient parking spots near your chosen trailhead.
While specific trails are not explicitly designated as 'dog-friendly cycling trails,' many of the ancient mule tracks and dirt roads are open to various outdoor activities. If cycling with a dog, ensure they are well-behaved, on a leash where required, and that you carry enough water for both of you. Always respect local regulations and other trail users.
The hamlets within Isola Di Fondra, such as Fondra, Trabuchello, and even mountain hamlets like Pusdosso, may offer small local eateries or cafes. For more options, you might find restaurants and cafes in larger towns within the Val Brembana. It's always a good idea to plan your route and check for available services in advance, especially on longer or more remote rides.
Yes, the region offers routes that ascend to high mountain pastures. The Piani dell'Avaro – Monte Avaro Hut loop from Olmo al Brembo is a notable example, leading through beautiful high mountain pastures and offering a true alpine gravel biking experience.


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