4.6
(56)
267
hikers
53
hikes
Hiking around Senlis-Le-Sec offers diverse landscapes, characterized by extensive forest massifs and picturesque river valleys. The region is nestled at the crossroads of the Chantilly, Ermenonville, and Halatte forests, providing varied terrain from sandy soils to wetlands. While featuring diverse landscapes, many routes present moderate elevation changes, making them accessible to a range of hikers. Open sections along some trails provide views of the surrounding Picardy countryside.
Last updated: May 13, 2026
4.6
(9)
22
hikers
8.14km
02:06
40m
40m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(3)
12
hikers
18.6km
04:51
140m
140m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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11
hikers
13.6km
03:37
140m
140m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
7
hikers
8.96km
02:20
60m
60m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
3
hikers
17.0km
04:27
130m
130m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Officially part of the Historial de la Grande Guerre, the Thiepval Museum is located near the impressive Thiepval Memorial and offers an in-depth look at the Battle of the Somme of 1916. Opened in 2016 to mark the centenary of this bloody battle, the museum comprises seven thematic areas, each highlighting a different aspect of the war. One of the highlights is the 60-metre-long panoramic comic strip by artist Joe Sacco, which vividly depicts the events of 1 July 1916. Visitors will gain insight not only into the military strategies, but also into the human suffering and the culture of remembrance surrounding the missing of the Somme.
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The Cratère de Lochnagar, an impressive war memorial, was created by a huge mine blown up by the British Royal Engineers on 1 July 1916, as part of the Battle of the Somme. The explosion marked the beginning of the battle and left a crater 90 metres in diameter and 25 metres deep. Interestingly, the crater was named after Lochnagar Street, the trench from which the tunnel was dug. The crater is now a preserved site of remembrance and a religious service is held there every year on 1 July in memory of those who died.
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An interesting anecdote is that the monument was inaugurated in 1932 by the Prince of Wales and the French President Albert Lebrun. The monument consists of a series of arches supported by sixteen massive square pillars, on which the names of the missing soldiers are engraved. At the foot of the monument is a Franco-British military cemetery with 600 graves: 300 French and 300 British soldiers.
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The Parc Mémorial de Thiepval is an impressive war memorial that commemorates the 72,337 missing British and South African soldiers who died during the Battle of the Somme in World War I. Designed by Sir Edwin Lutyens, the memorial is considered one of the greatest British monumental works of the twentieth century. The park also includes a visitor centre, opened in 2004, and the Jardins de la Paix, where visitors can reflect and enjoy the serene surroundings. Every year on 1 July, remembrance ceremonies are held to honour the victims of the Battle of the Somme.
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Just off the road to Bapaume, is the site of the grand mine. At 7am on the 1st July 1916 the biggest explosion in history cause this hole o e of several that marked the start of the Battle of the Somme. Well worth a visit.
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Very moving place of memory. Never forget 💮.
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Enormous crater! Should you take with you on the tour: few are so well preserved and accessible.
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An impressive example of the power of destruction: 100 years later, you still stand at this crater and can't imagine what really happened here. Well documented and can also be visited by groups, the area has space for stay and exchange.
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The region offers diverse landscapes, primarily characterized by extensive forest massifs such as Chantilly, Ermenonville, and Halatte. You'll find varied terrain, from sandy soils and hilly sections to wetlands along picturesque river valleys. Open sections along some trails also provide panoramic views of the surrounding Picardy countryside, often featuring cereal barns and historic farms.
Yes, approximately half of the routes in the Senlis-Le-Sec area are classified as easy, featuring moderate elevation changes. These trails are well-suited for beginners or families looking for a relaxed outdoor experience. The extensive network of marked footpaths includes options for various difficulty levels.
Many of the forest trails in the Senlis area are dog-friendly, allowing you to enjoy the outdoors with your canine companion. However, it's always recommended to keep dogs on a leash, especially in areas with wildlife or near agricultural lands, and to check specific trail regulations if available.
The region around Senlis-Le-Sec is rich in history. You can explore sites like the Newfoundland Memorial, the Lochnagar Crater, and the Thiepval Memorial. Other significant points of interest include the Scottish Divisions Memorial at the Sunken Lane and the Ulster Tower. These attractions offer a blend of natural beauty and historical significance.
Yes, the Senlis area offers numerous circular routes, making it convenient for hikers who prefer to start and end their journey at the same point. Examples include the Somme Trench Museum – Mémorial Crucifix Corner loop from Albert and the Somme Trench Museum – Thiepval Memorial loop from Albert, which allow you to explore the diverse terrain without retracing your steps.
The region is beautiful year-round, but spring and autumn offer particularly pleasant conditions for hiking with mild temperatures and vibrant foliage. Summer is also popular, especially in the shaded forest areas. Winter hiking is possible, though some trails might be muddy, and it's advisable to check local conditions.
The extensive forests of Chantilly, Ermenonville, and Halatte are home to various wildlife. Hikers often have the chance to spot wild boars, deer, and stags, especially during quieter times of the day. Birdwatching is also popular in these diverse ecosystems.
Hikes in the region vary greatly in length and duration. You can find shorter loops, like the Mémorial Crucifix Corner – Somme Trench Museum loop from Albert, which takes around 2 hours. Longer routes, such as the Lochnagar Crater – Somme Trench Museum loop from Albert, can take 4-5 hours, offering options for all time commitments.
Senlis itself is a historic town with various amenities, including cafes, restaurants, and accommodation options. Many trails are accessible from or pass near villages where you can find places to refresh and refuel after your hike. It's advisable to check opening hours, especially in smaller communities.
The hiking routes in Senlis-Le-Sec are highly rated by the komoot community, with an average score of 4.6 stars from over 50 reviews. Hikers frequently praise the quiet woodlands, the well-marked paths, and the opportunity to combine natural beauty with historical exploration.
For additional details on hiking and walking opportunities, including marked footpaths and local guides, you can visit the official tourism website for the area: Chantilly-Senlis Tourisme. They also have a dedicated section for walking routes: A Pied.


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