4.3
(46)
478
riders
36
rides
Gravel biking in Riserva Naturale Alto Merse offers diverse landscapes characterized by lush forests, river valleys, and varied terrain. The region, situated southwest of Siena, features extensive woodlands of oak and chestnut trees, alongside the Merse River and its tributaries. This area provides a mix of dirt roads and secondary routes, with altitudes generally below 200 meters, making it suitable for gravel cycling. The landscape combines natural beauty with historical elements, including ancient mills and medieval villages.
Last updated: July 5, 2026
5.0
(1)
6
riders
36.5km
03:11
810m
810m
Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.
7
riders
41.4km
02:39
580m
580m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.6
(5)
27
riders
39.2km
02:27
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(6)
17
riders
31.3km
01:56
200m
200m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1.0
(1)
10
riders
38.9km
02:43
530m
530m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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To admire a panoramic view that embraces the unmistakable skyline of Siena and the rolling hills of the Terre di Siena, the best viewpoints are located just outside the ancient walls or at the highest points of the historic center.
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The Cippo is located at the entrance of the Strada Bianca on the SP99 side
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Beautiful panoramic view of Siena!
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Small village with an excellent refreshment point
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This village is beautiful, absolutely worth a visit
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Beautiful white road in the shade of the trees, perfect to do in the summer
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But what a wonderful village this is!
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There are over 30 gravel bike routes in Riserva Naturale Alto Merse, offering a wide range of experiences. These include 2 easy, 12 moderate, and 19 difficult trails, ensuring options for various skill levels.
The terrain in Riserva Naturale Alto Merse is diverse, featuring extensive dirt roads, secondary low-traffic roads, and sections used in professional races like 'Strade Bianche'. You'll cycle through lush forests of oak and chestnut, along clear river valleys, and across varied landscapes with altitudes generally below 200 meters.
While many routes are moderate to difficult, there are a few easier options. For instance, the region offers routes that are suitable for various bike types, including e-bikes, making some sections more accessible. Look for routes specifically marked as 'easy' on komoot to find the most suitable options.
The region is rich in attractions. You can encounter the ancient Ponte della Pia, a Roman-origin bridge, or the historical Hermitage of Santa Lucia. Many routes also pass by medieval villages, castles like Spannocchia Castle, and ancient mills along the Merse River. The Merse River Trail itself is a splendid itinerary.
Yes, many of the gravel bike routes in Riserva Naturale Alto Merse are designed as loops. For example, the Grotti Castle – View of the Tuscan Countryside loop from Rosia offers a scenic circular journey through historical sites and the Tuscan countryside. Another option is the La Vidritta gravel – Vridritta gravel section loop from Rosia.
The Riserva Naturale Alto Merse is generally pleasant for gravel biking during spring and autumn when temperatures are milder and the landscapes are vibrant. Summer can be warm, but the extensive forests provide shade. Winter offers a different, quieter experience, though some trails might be muddy after rain.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 50 reviews. Reviewers often praise the diverse landscapes, the quiet dirt roads, and the blend of natural beauty with historical elements. The challenge of routes reminiscent of 'Strade Bianche' is also frequently highlighted.
Absolutely. The View of Siena – Crete Senesi loop from Stigliano is a popular difficult route that provides expansive views of Siena and the iconic rolling hills of the Crete Senesi, offering a truly Tuscan cycling experience.
The reserve is home to diverse wildlife. You might spot various bird species like woodpeckers and birds of prey, as well as mammals such as wildcats, martens, and skunks. The clear river valleys are also vital habitats for unique species like the rare Atlantic stream crayfish, spectacled salamanders, and Italian stream frogs.
Yes, experienced riders will find several challenging options. The Strada Bianca – Merse River Trail loop from Tonni is a difficult route that includes significant sections of dirt roads, some of which are used in professional races. Another demanding option is the S.Lorenzo a Merse – La Vidritta gravel loop from Tocchi.
Yes, for more general information about the Riserva Naturale Alto Merse, you can visit the official tourism website for Tuscany: visittuscany.com. They also have information on the 'Grand Tour of the Val di Merse' which highlights the region's suitability for cycling: Grand Tour of the Val di Merse.


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