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Siena

Riserva Naturale Alto Merse

The best gravel rides in Riserva Naturale Alto Merse

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.

Best gravel bike…

Last updated: July 5, 2026

5.0

(1)

6

riders

#1.

Strada Bianca – Merse River Trail loop from Tonni

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.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Tips from the Community

Stenio Melani
July 8, 2026, View of Siena

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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Francesco
November 24, 2025, Radi Village

Small village with an excellent refreshment point

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This village is beautiful, absolutely worth a visit

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Nice single track very easy that runs along the river and is very shaded

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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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Frequently Asked Questions

How many gravel bike trails are available in Riserva Naturale Alto Merse?

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.

What kind of terrain can I expect on gravel bike trails in Riserva Naturale Alto Merse?

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.

Are there any easy or beginner-friendly gravel bike routes in the area?

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.

What historical or natural attractions can I see along the gravel bike trails?

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.

Are there any circular gravel bike routes in Riserva Naturale Alto Merse?

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.

What is the best time of year for gravel biking in Riserva Naturale Alto Merse?

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.

What do other gravel bikers enjoy most about the trails in Riserva Naturale Alto Merse?

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.

Are there routes that offer views of Siena or the Crete Senesi?

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.

What kind of wildlife can I expect to see while gravel biking?

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.

Are there any particularly challenging gravel routes for experienced riders?

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.

Can I find information about the Riserva Naturale Alto Merse from official sources?

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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