4.5
(359)
1,636
riders
191
rides
Mountain bike trails in Riserva Naturale Alto Merse traverse a diverse landscape characterized by lush oak and chestnut forests, winding river valleys, and varied terrain. The region, located southwest of Siena, features altitudes generally below 200 meters, offering a range of paths from gentle to more challenging. Riders can explore historical sites and rich biodiversity along the Merse River and its tributaries.
Last updated: October 24, 2026
4.4
(7)
21
riders
33.5km
02:19
560m
560m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.9
(12)
32
riders
36.2km
02:37
560m
560m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.3
(13)
33
riders
35.5km
02:28
600m
600m
Moderate mountain bike ride. Good fitness required.
5.0
(8)
27
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.0
(2)
16
riders
15.8km
01:13
260m
260m
Moderate mountain bike ride. Advanced riding skills necessary.
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Chiusdino is an ancient medieval village located in the province of Siena, perched on the Colline Metallifere and overlooking the splendid Val di Merse. It is especially famous for its inseparable bond with the figure of San Galgano and for its proximity to the famous roofless abbey. The historic center preserves a timeless atmosphere, with stone houses and narrow alleys that wind along the slope. It is believed that Galgano Guidotti was born here around 1150. His supposed birthplace is one of the main destinations for those visiting the village.
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Known throughout the world. Look for the small sculpted face of Master Scarpellino Ugolino di Maffeo, in the first pillar (column) on the left. Look for the small sculpted face of Master Scarpellino Ugolino di Maffeo, in the first pillar on the left.
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Loop starting from Monticiano (Si) by i'Lupo che cammina
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The hamlet of Palazzetto is located on a plateau along the Merse valley, and is crossed by the former state road 441 Massetana (now provincial road 441 Massetana), which connects the Siena area with Massa Marittima and the Maremma Grossetana. About 2 km away, in the direction of Siena, are the Abbey of San Galgano and the Chapel of San Galgano a Montesiepi, while about 6 km away, in the direction of Massa Marittima, is the Castle of Miranduolo.
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The Great Abbey of San Galgano Construction of the Great Abbey downstream began only in 1220 (or 1218?). Construction work continued until 1268, when it was officially consecrated by the Bishop of Volterra, Alberto Solari. Then came a hundred years of great splendor until 1364, followed by a slow decline due to the unfortunate practice of Commenda.
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Construction of the Great Abbey down in the valley began only in 1220 (or 1218?). Construction continued until 1268, when it was officially consecrated by the Bishop of Volterra, Alberto Solari. Then came a hundred years of great splendor until 1364, followed by a slow decline brought on by the unfortunate practice of Commenda. On the hill is the hermitage of Montesiepi, where the Sword in the Stone is located. In fact, the Rotonda di Montesiepi was built between 1182 and 1185, above the hut on the hill where Saint Galgano spent his last year, precisely where he had thrust his sword into the stone. The Rotonda di Montesiepi was therefore the first tomb of the Saint, who was buried north of the sword, as if to see Chiusdino through the entrance door.
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Chiusdino is a beautiful medieval village located in the Merse Valley among the Metalliferous Hills. Its origins date back to the Lombard domination of Tuscany between 568 and 569. The town still retains its medieval appearance and some sections of the double city walls. It is also possible to find medieval houses, including the alleged house of San Galgano (Galgano Guidotti), where the saint is believed to have been born around 1150.
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Chiusdino is a wonderful medieval village located in the Merse Valley among the Metalliferous Hills. Its origins date back to the Lombard domination of Tuscany between 568 and 569. The town still retains its medieval appearance and some sections of the double city walls. It is also possible to find medieval houses, including the alleged house of San Galgano (Galgano Guidotti), where the saint is believed to have been born around 1150.
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There are over 190 mountain bike trails in Riserva Naturale Alto Merse, catering to various skill levels. You'll find a good mix, with 8 easy routes, 128 moderate routes, and 54 challenging options to explore.
The terrain in Riserva Naturale Alto Merse is diverse, characterized by lush oak and chestnut forests, winding river valleys, and varied paths. While altitudes are generally below 200 meters, you'll encounter a mix of dirt roads, singletracks, and paths with moderate elevation changes, making for engaging rides.
Yes, some routes in Riserva Naturale Alto Merse are suitable for families. Look for trails with moderate elevation changes and well-maintained paths, often found along secondary roads. These routes allow riders of different experience levels to enjoy the natural beauty together.
The Riserva Naturale Alto Merse is a protected area, and while many outdoor activities are permitted, specific rules regarding dogs on trails can vary. It's generally advisable to keep dogs on a leash to protect local wildlife and ensure a pleasant experience for all trail users. Always check local signage for any specific restrictions.
Riserva Naturale Alto Merse is rich in history. You can encounter several historical sites, including the ancient Roman-origin bridge Ponte della Pia, the serene Hermitage of Santa Lucia, and the impressive Spannocchia Castle. Many routes also pass by the remains of ancient ironworks and mills, offering a glimpse into the region's industrial past.
Yes, many mountain bike routes in Riserva Naturale Alto Merse are designed as loops, allowing you to start and finish at the same point. For example, the San Galgano – Montesiepi Hermitage loop from Hapimag Parkplatz P1 is a popular moderate option that takes you through significant historical sites.
The Riserva Naturale Alto Merse is enjoyable for mountain biking for much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery, with lush greenery in spring and beautiful foliage in autumn. Summers can be warm, so early mornings or late afternoons are best, while winters are generally mild but can have occasional rain.
Parking is often available near popular trailheads and villages bordering the reserve. Many routes, such as the Torri – Ponte della Pia loop from Hapimag Parkplatz P1, indicate starting points from specific parking areas like Hapimag Parkplatz P1, making it convenient to access the trails.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 300 reviews. Reviewers often praise the quiet woodlands, the scenic river valleys, and the opportunity to combine natural beauty with historical exploration, such as the Abbey of San Galgano – Merse River Trail loop from Hapimag Parkplatz P1.
Yes, Riserva Naturale Alto Merse offers 54 difficult routes for experienced mountain bikers. These trails often feature more technical sections, steeper climbs, and descents, providing a good challenge. An example of a longer, more demanding route is the Bridge Over the Merse River – Merse River Trail loop from Brenna, which covers over 30 km with significant elevation changes.
The diverse habitats of Riserva Naturale Alto Merse support a rich array of wildlife. In the forests, you might spot various woodpecker species, wildcats, martens, and skunks. Along the rivers, look out for native fish, spectacled salamanders, and Italian stream frogs. Birdwatchers can also spot species like the short-toed snake eagle and kestrel in more open areas.
While the reserve is somewhat remote, some villages bordering the area may have limited public transport connections. However, for maximum flexibility in accessing various trailheads, especially those deep within the reserve, traveling by car is generally recommended. Always check local bus schedules for the specific villages you plan to visit.


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