4.3
(375)
1,338
hikers
8
hikes
Bus station hiking trails in Riserva Naturale Basso Merse traverse a landscape characterized by rolling hills, riverine environments, and ancient oak woods. The region features the Merse, Farma, and Ombrone rivers, offering waterside paths and diverse ecosystems. Unique geological formations of serpentinite rock support specialized flora, particularly noticeable in areas like Poggio Boschettino. Elevations generally remain below 400 meters, providing varied terrain suitable for hiking.
Last updated: May 13, 2026
4.5
(24)
104
hikers
13.7km
03:54
310m
310m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4
hikers
8.33km
02:27
230m
230m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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2.5
(2)
4
hikers
14.8km
04:17
380m
380m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.9
(7)
16
hikers
13.3km
04:02
420m
420m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3
hikers
21.1km
06:09
540m
550m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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The Murlo Castle was the main center of the episcopal fiefdom, seat of the Bishops of Siena. The Castle is dominated at the highest point by the imposing bishop's palace, square in shape and with a sloped base, commonly called the "Palazzone". The entrance door is interesting, surmounted by a pointed stone arch, and inside, the vaulted rooms on the ground floor and the rooms with beams on the first floor are noteworthy. The palace was built by transforming and expanding the pre-existing building consisting of a 13th century tower; traces of it can be seen on the facade and especially inside on all floors. The walls surrounding the village/castle are from the same period and are still visible along almost the entire perimeter, along which there are two doors, one to the north and the other to the south/west. Characteristic are the houses leaning against the walls, most of which were also built after the war of Siena, in which secular traces have emerged during the renovations of recent decades. Until 1832, the seat of the Murlo Town Hall was in this Palazzina. Currently the Bishop's Palace houses the Archaeological Museum of Murlo, with the rich archaeological finds of Poggio Civitate; beautiful views that can be seen from the windows of the top floor.
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The municipality of Murlo is very large and is made up of numerous hamlets and small clusters of houses. Nestled in the Val di Merse, it enjoys both the wooded landscape and the typical hilly panorama of Siena. The territory is crossed by the Crevole stream, a tributary of the Ombrone, and by the Merse river that gives its name to the valley. Ruins of churches and castles constitute a cultural heritage of great interest. You can visit quarries and mines and take nature trails that lead to places now forgotten but which retain all their charm intact. The municipality of Murlo is very large and is made up of numerous hamlets and small clusters of houses. Nestled in the Val di Merse, it enjoys both the wooded landscape and the typical hilly panorama of Siena. The territory is crossed by the Crevole stream, a tributary of the Ombrone, and by the Merse river that gives its name to the valley. Ruins of churches and castles constitute a cultural heritage of great interest. You can visit quarries and mines and take nature trails that lead to places now forgotten but which retain all their charm intact.
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A beautiful and welcoming square
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The former railway line has been opened up for tourism for hikers, cyclists and horse riders. Many information boards tell the story, benches invite you to linger. The structures (bridges, gorges, etc.) are interesting. However, the route is damaged in some places, so the passage by bike is not very easy (short, narrow, steep path). Impossible with the horse. Here is the official information: On the tracks of the railway from Miniere di Murlo This trail follows the first part of the railway track that served the mining village of Murlo. The railway began operations in 1877, transporting lignite and lime produced here to the coastal Grosseto region and northern Italian markets. It was believed that only a fast transportation system like the railway could compete with the great distances that separated Murlo from the main commercial centers. The Società Anonima della Miniera Carbonifera di Murlo was the company that built the standard gauge railway (143.5 cm) and initially operated the mining business (1872-1876); In this phase, the railway reached Volta al Salcio, near Monte Antico, where it joined the Siena-Monte Amiata-Grosseto national railway line. Mining activity was continued by the Compagnie Francaise des Charbonnages de Pienza (1876-1885) and the Società Generale per l'Industria delle Ligniti Italiane (1886-1894) and then ceased for about 25 years until the Società SAI-Ansaldo built the disused one in 1918 railway line and converted it into a narrow-gauge railway (95 cm), which was more economical and sufficient for the small locomotives used. Ansaldo ceased operations in 1922 when the last section of the mining railway (between La Befa and Monte Antico) was expropriated for the construction of the Siena-Buonconvento-Monte Antico line, which was completed in 1927. A new management of the Murlo mines only began in 1940, when the Società Miniere Carbonifere di Murlo converted the railway into a narrow-gauge "Decauville" type (60 cm) that was even cheaper, easier and quicker to lay. to La Befa; A warehouse was built here from which lignite was loaded onto trains on the new route to Grosseto. When the railway to Grosseto became unusable after the German damage in 1944, mining activity was stopped again. Finally, the management changed from 1951 to 1968 to Società Calce, Cementi, Carboni e Laterizi di Murlo, which was actually never active. Information about the route: Distance: 7 km Time: 1 hour and 40 minutes Total ascent: -188 m Difficulty: easy trail, all downhill to La Befa train station. Hiking shoes or boots and a good supply of water are required. The route can be covered on foot, by bike or on horseback. The last section between Molino della Befa and the train station is passable but has little traffic. For the way back on the same path, a total ascent of +188 m and about 2 hours can be expected.
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The Eroica is all a panoramic point, from start to finish.
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lignite mines starting point of the path along the route of the ancient railway it reached la befa
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kiln for the production of lime that used local lignite
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parish church remembered since 1200 today headquarters of the "new world community" for the recovery from social marginalization
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There are 7 hiking trails in Riserva Naturale Basso Merse that are accessible from bus stations, offering a variety of experiences for different skill levels.
Yes, several routes offer circular experiences starting and ending near bus stops. For example, the Murlo Mines Railway Trail – Ponte Nero loop from Murlo provides a moderate 13.6 km loop, while the Murlo Historic Village – Murlo loop from Murlo is a shorter 8.3 km option.
The terrain in Riserva Naturale Basso Merse is diverse, featuring rolling hills, oak woods, and Mediterranean scrub. You'll also encounter unique geological formations like serpentinite outcrops, particularly in areas such as Poggio Boschettino. Some trails follow tranquil riverine environments along the Merse, Farma, and Ombrone rivers. While many paths are accessible, some sections, like parts of the Conventaccio Ring, can be rocky and sloping, requiring appropriate footwear.
Many trails in the reserve are suitable for families, offering varied difficulty levels. While specific 'easy' routes aren't listed among the bus-accessible options, some moderate trails like the Murlo Historic Village – Murlo loop from Murlo (8.3 km) might be manageable for families with older children or those accustomed to hiking. Always check the route details for distance and elevation to ensure it matches your family's fitness level.
Generally, dogs are permitted on trails within Riserva Naturale Basso Merse, but it's always advisable to keep them on a leash, especially given the presence of wildlife like roe deer and wild boars. Please ensure you follow local regulations and clean up after your pet.
The reserve is rich in biodiversity. Along the rivers, you might spot otters, common kingfishers, European green toads, and spectacled salamanders. In the forests and open areas, keep an eye out for birds of prey such as short-toed eagles, black kites, and kestrels. Roe deer and wild boars are also present, often more active after dusk.
Yes, the reserve offers several points of interest. A notable historical landmark is the striking Hermitage of Montespecchio, also known as 'Conventaccio', nestled within an old oak forest. Natural features include the unique dark green serpentinite rock formations, visible in areas like Poggio Boschettino and Poggio del Crocino. From elevated points, you can enjoy panoramic views over the Orcia Valley and the Ombrone Valley, extending to Mount Amiata.
Spring and autumn are generally the best times to hike in Riserva Naturale Basso Merse. In spring, the specialized flora on the serpentinite outcrops bursts into colorful bloom. Autumn offers pleasant temperatures and beautiful foliage. Summers can be hot, so early morning or late afternoon hikes are recommended, while winters can be cooler but still offer serene landscapes.
The area is highly rated by the komoot community, with an average score of 4.3 stars from 346 reviews. Reviewers often praise the diverse landscapes, from tranquil river paths to rolling hills and unique geological formations, as well as the sense of immersion in nature and the historical elements like the Hermitage of Montespecchio.
Yes, for experienced hikers seeking a challenge, the Ponte Nero – View from the Loggione loop from Murlo is a difficult 21.1 km route with over 540 meters of elevation gain, offering a substantial day out in the reserve.
For a moderate hike, consider the Santo Stefano loop from Casciano. This 13.3 km route features over 400 meters of elevation gain and offers a rewarding experience through the varied landscapes of the reserve.


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