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Around the Long lock – Somme Valley loop from Ailly-sur-Somme

Around the Long lock – Somme Valley loop from Ailly-sur-Somme

Hard

4.6

(17)

127

riders

Around the Long lock – Somme Valley loop from Ailly-sur-Somme

05:42

115km

190m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 17, 2026

Tips

Includes movable bridges

Check opening times.

After 61.4 km for 52 m

After 71.6 km for 39 m

Waypoints

Start point

Train Station

Get Directions

22.6 km

Long Castle

Highlight • Castle

Château de Long is an 18th century castle located in the Somme valley. You can admire the architecture of pink bricks and white stones, the sculpted and painted decorations, the 20-hectare park with greenhouses and a wash house, and the 18th century dovecote. You can also discover the orangery, the ice house, the outbuildings, the 6 hectare pond and the 4 hectare wood. The castle is open Monday to Friday from 10:00 a.m. to 6:00 p.m. Château de Long is a private property which welcomes visitors wishing to discover its history and charm.

Translated by Google •

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22.8 km

Around the Long lock

Highlight • Structure

The private property of Long, open to visitors, is located in the heart of the Somme between Abbeville and Amiens. Classified as a historic monument, the building, dating from the first half of the 18th century, features architecture in the Louis XV style, made entirely of pink bricks and white stones.
The Château du Long is shaped like a rectangular central body with a mansard roof, inside which are very beautiful sculptures and paintings by Huet. The site is surrounded by a magnificent park of about twenty hectares, with French-style shrubs, greenhouses and a listed washhouse, an 18th-century dovecote, an orangery and a cooler, a six-hectare pond, outbuildings or a four-hectare wood. Very beautiful statues also mark the alleys that invite you to stroll. (France-Voyage)

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28.9 km

Pont-Rémy Castle

Highlight • Other

The Château de Pont-Rémy is an old fortified castle from the 15th century

The castle played a significant role during the Hundred Years' War: Edward III was held in check there in 1346 before the Battle of Crécy.

Translated by Google •

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29.6 km

The Somme canalised

Highlight • River

relaxing and pleasant landscapes, a reconnection with nature

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47.5 km

Cycle path along the Canal Somme

Highlight • Other

The canal follows the course of the River Somme and is a combination of a side canal and a canalised river. Construction work had already begun in 1770, but was not completed until 1843. It was intended to connect St. Quentin with the English Channel for freight traffic. However, economic use has been in decline for many decades, but like many canals in France, tourist use by pleasure craft and houseboats is increasing. (Wikipedia)
Like most canals in France, this one is also made accessible by accompanying cycle paths. A relaxed, sometimes also meditative cycling, because there is not so much variety. But also absolutely beautiful landscapes on the unregulated Somme lined with castles and mansions delight cyclists again and again

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49.7 km

Kanal der Somme

Highlight • Other

This long straight section which ends its route in the Bay of Somme and Saint-Valéry-sur-Somme is just magnificent.

If the sun is out, your end of the stage will be all the more beautiful.

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55.4 km

Chemin de Fer de la Baie de Somme (Saint-Valery-sur-Somme)

Highlight • Monument

Terminus of the historic steam-powered railway to the other seaside resorts of the Baie de Somme.

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56.1 km

Viewpoint

70.1 km

Réserve ornithologique de Grand-Laviers Baie de Somme

Nature Reserve

86.5 km

Somme Valley

Highlight (Segment) • River

a closer relationship with nature, where we leave room for contemplation and the beauty of the landscape

Translated by Google •

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115 km

End point

Train Station

Way Types & Surfaces

Way Types

71.3 km

30.8 km

8.32 km

3.45 km

712 m

Surfaces

65.7 km

23.3 km

17.4 km

7.86 km

326 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Wednesday 8 July

33°C

16°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

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Around the Long lock – Somme Valley loop from Ailly-sur-Somme

Long Castle

Around the Long lock

Pont-Rémy Castle

The Somme canalised

Cycle path along the Canal Somme

Kanal der Somme

Chemin de Fer de la Baie de Somme (Saint-Valery-sur-Somme)

Somme Valley

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