5.0
(1)
13
riders
7
rides
Gravel biking around Inval-Boiron offers access to the diverse landscapes of the Somme department in Northern France. The region features the tranquil Somme Valley with its river and former towpaths, providing a mix of paved and unpaved surfaces ideal for gravel routes. Towards the coast, the Baie de Somme presents unique natural environments with sandbanks, marshes, and salt meadows. The terrain varies from mostly flat sections along the river to areas with moderate elevation changes and limestone-rich "larris."
Last updated: July 6, 2026
1
riders
22.5km
01:42
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
69.0km
04:16
400m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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1
riders
34.2km
02:17
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
2
riders
33.3km
02:13
210m
210m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
1
riders
32.8km
01:59
220m
220m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Inval-Boiron
The St Maxent mill is a wooden pivot windmill dating from 1630. It is located in the town of Saint-Maxent, in the Somme department, along the Abbeville-Rouen road. You will be able to admire the intact mechanism of the windmill, a rare example of this type in Picardy, and discover the process of making bread from cereals. You can visit the mill with a guided tour or participate in one of the educational workshops organized by the association “Les Amis du moulin à vent de Saint Maxent”. The windmill is open all year round, but you must contact them in advance to make a reservation. Enjoy the panoramic views and fascinating history of this remarkable windmill!
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The route has little traffic and leads through an idyllic landscape.
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Beautiful Gothic Church; Was supposed to be open during the day but wasn't when I was there.
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The large castle in this small village dates from the late 17th century. Information on this at https://fr.wikipedia.org/wiki/Martainneville
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Typical village church with a small chapel next to it. Information about the church can be found on Wikipedia https://fr.wikipedia.org/wiki/%C3%89glise_de_la_Nativit%C3%A9-de-la-Sainte-Vierge_de_Vismes-au-Val
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The mill is a little off the road and is no longer intact and has not been renovated.
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The 18th-century castle is attached to two towers of an earlier 13th-century castle. More recently it gradually fell into disrepair until 2020 when it found new owners who have been committed to the restoration ever since. Many volunteers also help with this. During our visit we were lucky enough to meet two of them who showed us around the castle and the vegetable garden where very sustainable gardening can be admired. More information can be found on the castle's website https://chateaudebouillancourt.com/
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Our guide features 7 dedicated no-traffic gravel bike trails around Inval-Boiron. These routes offer a range of distances and elevations, ensuring a peaceful ride away from vehicular traffic.
The trails around Inval-Boiron traverse the diverse landscapes of the Somme region. You'll encounter bucolic valleys, tranquil rivers, and a mix of agricultural fields and woodlands. Some routes might even lead you towards the extensive Somme Valley cycle route, offering a blend of paved and unpaved surfaces along former towpaths. Expect serene natural beauty and open skies.
Yes, the region is rich in history. You can discover several notable landmarks near these trails. For instance, you might pass by the impressive Rambures Castle or the charming Château de Dromesnil. The area also holds significance from World War I, with various remembrance sites scattered throughout the wider Somme department.
Many of the no-traffic gravel trails around Inval-Boiron are suitable for families, especially those with moderate difficulty. The absence of traffic ensures a safer and more relaxed experience. Routes like the Gravel loop from Saint-Maulvis offer a good balance of distance and elevation for a family outing.
Spring and autumn are generally the best seasons for gravel biking around Inval-Boiron. The weather is typically mild, and the natural scenery is at its most vibrant. Summer can also be pleasant, but it's advisable to start early to avoid the midday heat. Winter rides are possible, but be prepared for cooler temperatures and potentially muddier conditions on unpaved sections.
Yes, the guide includes routes for various skill levels. While most are rated 'moderate', there is one 'easy' option and one 'difficult' route. For a moderate challenge, consider the Belloy Castle – View of the castle loop from Saint-Maulvis. If you're looking for a longer, more challenging ride, the Moulin de Visse – Moulin de Saint-Maxent loop from Oisemont covers nearly 70 km.
Absolutely. All the no-traffic gravel bike trails listed in this guide are circular routes, meaning you'll start and end at the same point. This makes planning your ride and logistics, such as parking, much simpler. Examples include the Belloy Castle – Pont le Mermont loop from Saint-Maulvis and the Bois de Forceville loop from Saint-Maulvis.
As many of these routes start from villages like Saint-Maulvis or Oisemont, you can typically find public parking in or near the village centers. Always check local signage for parking restrictions. Since the routes are circular, parking at the starting point is convenient for your return.
Inval-Boiron and the surrounding small communes are primarily rural, so public transport options like trains or regular bus services directly to the trailheads might be limited. It's advisable to check regional bus schedules if you plan to rely on public transport, but a car is generally the most flexible way to access these specific gravel trails.
While the trails themselves focus on natural, no-traffic areas, the starting and ending villages often have small cafes, bakeries, or local shops where you can refuel. For more extensive options, larger towns in the Somme region like Amiens offer a wider selection of amenities. It's always a good idea to carry sufficient water and snacks, especially on longer rides.
Beyond the general pastoral scenery, keep an eye out for the unique 'larris' – small hills with limestone-rich soil that support distinct flora. The Somme Valley itself is characterized by tranquil rivers, marshes, lakes, and ponds, which are often havens for diverse birdlife. For nature lovers, the wider Somme region is renowned for its natural beauty, including the Baie de Somme, a major site for migratory birds and seals.
Many of the natural and rural paths are suitable for cycling with dogs, provided they are well-behaved and kept under control, ideally on a leash, especially near livestock or in protected areas. Always respect local regulations and ensure your dog is comfortable with the distance and terrain. Remember to carry water for your pet.


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