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Hauts-De-France
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Étrun

Top 5 Natural Monuments around Étrun

Best natural monuments around Étrun showcase the varied landscapes of the Artois region. This area, known for its diverse terrain, includes protected wetlands and river valleys. The broader countryside features a mix of meadows, farmlands, and geological formations. These natural features provide opportunities for outdoor exploration and offer insights into the region's natural and historical heritage.

Best natural monuments around Étrun

  • The most popular natural monuments is Vimy Ridge Shell Craters, a natural monument that features landscapes shaped by historical events. This site preserves numerous craters from intense bombardments, offering a visible record of past conflicts.
  • Another must-see spot is Bray Chalk Quarry, a natural monument and former quarry. This location is appreciated by hikers for its surroundings, characterized by chalk hills formed from ancient marine deposits.
  • Visitors also love Vimy Foundation Centennial Park, a natural monument and historical site. This park features 100 Vimy Oak trees, descended from acorns collected on the battlefield, providing a reflective natural space adjacent to a memorial.
  • Étrun is known for natural monuments including historical landscapes, geological formations, and protected natural areas. The region offers a variety of natural monuments to see and explore, from wetlands to chalk quarries.
  • The natural monuments around Étrun are appreciated by the komoot community, with more than 14 upvotes and 4 photos shared across various highlights.

Last updated: June 21, 2026

Vimy Ridge Shell Craters

Highlight (Segment) • Historical Site

The Battle of Vimy Ridge (April 9-12, 1917)

This is one of the most famous battles for Canadians during the First World War.
Vimy Ridge was a strategic position fortified by the Germans since 1914.
In April 1917, the four Canadian divisions, united for the first time, attacked to retake it.
-
💥 The bombardments that created the shell holes
Before the assault
For several weeks, Allied artillery (mainly British and Canadian) bombarded the German positions to weaken the defenses, cut the barbed wire, and destroy the enemy trenches.
It is estimated that more than a million shells were fired in preparation for the attack.
During the attack
On April 9, 1917, the Canadian infantry advanced under a creeping barrage, that is, artillery fire that advanced just ahead of the soldiers to protect their advance. Result
These intense bombardments literally riddled the ridge with craters.
Each shell exploding in the ground dug a hole of varying width (depending on the caliber, often between 1 and 5 meters in diameter).
🏞 After the War
Why are the shell holes still there?
After 1918, it was decided to preserve certain areas as they were, particularly around the future memorial, to demonstrate the scale of the fighting.
The land was therefore not leveled or cultivated, unlike other areas of the front, which reverted to agricultural fields.
A Landscape for Remembrance
The shell craters, reconstructed trenches, and replanted trees (each tree represents a killed Canadian soldier) create a living memorial park, keeping the scars of the conflict visible for future generations.

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Vimy Foundation Centennial Park

Highlight (Segment) • Historical Site

Vimy Foundation Centennial Park

Vimy Foundation Centennial Park offers visitors a unique and reflective space to reflect on the horrors that occurred on these lands during the Great War, contrasting with the solemnity and grace of the adjacent Canadian National Memorial. The main attraction of the four-acre park is 100 Vimy Oak trees, grown from acorns collected on the battlefield in 1917, along with the Borden bugle, the Centennial Flagpole, and 360-degree memorial views of the First World War battlefield. One hundred years after the war, the Park ensures that we never forget the sacrifice of all those who served our country.

The Vimy Foundation

The Vimy Foundation is a national charitable organization whose mission is to preserve and promote Canada's legacy of the First World War, symbolized by the victory at Vimy Ridge in April 1917. This momentous event is widely considered a pivotal moment in our history, Canada's first steps onto the world stage. Through youth education programs, awareness campaigns, and legacy projects, including the new Vimy Visitor and Education Centre and Centennial Park, the Vimy Foundation provides Canadians with opportunities to learn how the First World War transformed our nation.

Vimy Oaks

The park's oak trees are directly descended from acorns collected on the Vimy Ridge battlefield by a Canadian soldier, Lieutenant Leslie Miller of Scarborough, Ontario, and later planted on his farm in Canada, which he named The Vimy Oaks. A number of these majestic oaks are still alive today in Canada, while virtually none of the Vimy Ridge oaks survived the First World War. The Vimy Oaks Legacy Society, a Canadian non-profit volunteer association, was created to repatriate young Vimy oaks descended from acorns collected after the battle. Volunteers landscaped and planted these repatriated Vimy oaks, which now stand guard in this park adjacent to the Canadian National Vimy Memorial.

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Bray Chalk Quarry

Highlight • Structure

La Carrière de Craie de Bray is a quarry in the municipality of Mont-Saint-Éloi. It is a popular place for hikers and nature lovers because of its beautiful surroundings. The hills around Mont-Saint-Éloi consist of a thick layer of secondary-age chalk, formed by the accumulation of skeletons of marine animals when Artois was submerged in a shallow sea.

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Sainte-Bertille Spring

Highlight • Natural Monument

The Source Sainte-Bertille is a source in Maroeuil, a commune in the French department of Pas-de-Calais in the Hauts-de-France region. The spring is named after Sainte Bertille, a 7th century saint known for her healing powers. Legend has it that Sainte Bertille created the well by hitting the ground with her staff when she encountered a group of thirsty workers. The spring is still active and is considered a place of pilgrimage for people suffering from eye diseases. It is also a popular place for hikers and nature lovers because of its beautiful surroundings.

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Tips from the Community

Laurent Philippe
July 1, 2025, Cratères d'Obus de la Crête de Vimy

The Battle of Vimy Ridge (April 9-12, 1917) This is one of the most famous battles for Canadians during the First World War. Vimy Ridge was a strategic position fortified by the Germans since 1914. In April 1917, the four Canadian divisions, united for the first time, attacked to retake it. - 💥 The bombardments that created the shell holes Before the assault For several weeks, Allied artillery (mainly British and Canadian) bombarded the German positions to weaken the defenses, cut the barbed wire, and destroy the enemy trenches. It is estimated that more than a million shells were fired in preparation for the attack. During the attack On April 9, 1917, the Canadian infantry advanced under a creeping barrage, that is, artillery fire that advanced just ahead of the soldiers to protect their advance. Result These intense bombardments literally riddled the ridge with craters. Each shell exploding in the ground dug a hole of varying width (depending on the caliber, often between 1 and 5 meters in diameter). 🏞 After the War Why are the shell holes still there? After 1918, it was decided to preserve certain areas as they were, particularly around the future memorial, to demonstrate the scale of the fighting. The land was therefore not leveled or cultivated, unlike other areas of the front, which reverted to agricultural fields. A Landscape for Remembrance The shell craters, reconstructed trenches, and replanted trees (each tree represents a killed Canadian soldier) create a living memorial park, keeping the scars of the conflict visible for future generations.

Translated by Google

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Vimy Foundation Centennial Park Vimy Foundation Centennial Park offers visitors a unique and reflective space to reflect on the horrors that occurred on these lands during the Great War, contrasting with the solemnity and grace of the adjacent Canadian National Memorial. The main attraction of the four-acre park is 100 Vimy Oak trees, grown from acorns collected on the battlefield in 1917, along with the Borden bugle, the Centennial Flagpole, and 360-degree memorial views of the First World War battlefield. One hundred years after the war, the Park ensures that we never forget the sacrifice of all those who served our country. The Vimy Foundation The Vimy Foundation is a national charitable organization whose mission is to preserve and promote Canada's legacy of the First World War, symbolized by the victory at Vimy Ridge in April 1917. This momentous event is widely considered a pivotal moment in our history, Canada's first steps onto the world stage. Through youth education programs, awareness campaigns, and legacy projects, including the new Vimy Visitor and Education Centre and Centennial Park, the Vimy Foundation provides Canadians with opportunities to learn how the First World War transformed our nation. Vimy Oaks The park's oak trees are directly descended from acorns collected on the Vimy Ridge battlefield by a Canadian soldier, Lieutenant Leslie Miller of Scarborough, Ontario, and later planted on his farm in Canada, which he named The Vimy Oaks. A number of these majestic oaks are still alive today in Canada, while virtually none of the Vimy Ridge oaks survived the First World War. The Vimy Oaks Legacy Society, a Canadian non-profit volunteer association, was created to repatriate young Vimy oaks descended from acorns collected after the battle. Volunteers landscaped and planted these repatriated Vimy oaks, which now stand guard in this park adjacent to the Canadian National Vimy Memorial.

Translated by Google

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Willem VS
December 27, 2023, Bray Chalk Quarry

La Carrière de Craie de Bray is a quarry in the municipality of Mont-Saint-Éloi. It is a popular place for hikers and nature lovers because of its beautiful surroundings. The hills around Mont-Saint-Éloi consist of a thick layer of secondary-age chalk, formed by the accumulation of skeletons of marine animals when Artois was submerged in a shallow sea.

Translated by Google

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The Source Sainte-Bertille is a source in Maroeuil, a commune in the French department of Pas-de-Calais in the Hauts-de-France region. The spring is named after Sainte Bertille, a 7th century saint known for her healing powers. Legend has it that Sainte Bertille created the well by hitting the ground with her staff when she encountered a group of thirsty workers. The spring is still active and is considered a place of pilgrimage for people suffering from eye diseases. It is also a popular place for hikers and nature lovers because of its beautiful surroundings.

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Path blocked at the exit of the wood, after the wooden footbridge. Unable to pass.

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Interesting story from this source: https://nord-decouverte.fr/maroeuil-fontaine-miraculeuse/

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Indeed, the lack of maintenance is disappointing 👎

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Too bad the site is poorly maintained but it deserves a moment's attention.

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Frequently Asked Questions

What types of natural features can I expect to see around Étrun?

The natural monuments around Étrun showcase a diverse landscape. You can explore unique geological formations like the chalk hills at Bray Chalk Quarry, which are remnants of ancient marine deposits. The region also features protected wetlands, such as the nearby Marais de Maroeuil, known for its rich biodiversity and rare flora. Additionally, you'll find landscapes shaped by historical events, like the preserved shell craters at Vimy Ridge Shell Craters.

Do these natural monuments have historical significance?

Yes, many of the natural monuments around Étrun are deeply intertwined with history. For instance, Vimy Ridge Shell Craters is a poignant site preserving the landscape of a major World War I battle. Similarly, Vimy Foundation Centennial Park, with its Vimy Oak trees descended from battlefield acorns, serves as a living memorial. Even the Sainte-Bertille Spring has historical and religious legends associated with a 7th-century saint.

Are the natural monuments around Étrun suitable for families?

Many of the natural monuments are family-friendly. Vimy Ridge Shell Craters and Vimy Foundation Centennial Park offer reflective spaces with historical context that can be educational for older children. The Sainte-Bertille Spring is also noted as family-friendly, offering beautiful surroundings for a gentle walk. The Marais de Maroeuil provides an opportunity for nature observation, which can be engaging for all ages.

What outdoor activities can I do near these natural monuments?

The region around Étrun offers various outdoor activities. You can find numerous routes for cycling, gravel biking, and mountain biking. For example, there are many cycling routes that pass by the Bray Chalk Quarry, such as the "Bray Chalk Quarry – Bluebells in Bois de Noulette loop." You can explore more options on the Cycling around Étrun guide, Gravel biking around Étrun guide, and MTB Trails around Étrun guide.

Are there specific hiking routes recommended around these sites?

Yes, several natural monuments are popular with hikers. The Bray Chalk Quarry is appreciated for its hiking surroundings, characterized by chalk hills. The Marais de Maroeuil also offers opportunities for hiking and nature observation. For more detailed routes, you can check the various cycling and mountain biking guides, as many of these paths are also suitable for walking, especially the easier sections.

When is the best time of year to visit the natural monuments around Étrun?

Spring and summer are generally ideal for visiting, as the weather is milder and the natural landscapes are in full bloom, especially for sites like the Marais de Maroeuil with its diverse flora. Autumn also offers beautiful scenery with changing foliage. While accessible year-round, winter visits might be colder and some paths could be muddy, particularly in wetland areas.

How accessible are the natural monuments, and what is the typical difficulty for exploring them?

Accessibility varies by site. Locations like Vimy Ridge Shell Craters and Vimy Foundation Centennial Park are generally easy to access and explore, offering relatively flat paths. The Bray Chalk Quarry is noted as an intermediate difficulty for hikers due to its terrain. The Marais de Maroeuil typically offers easy walking paths suitable for nature observation. Always check specific trail conditions before you go.

Can I bring my dog to these natural monuments?

While specific regulations can vary, many outdoor natural areas in France are dog-friendly, especially if dogs are kept on a leash. For sites like Vimy Ridge Shell Craters and the Marais de Maroeuil, it's generally acceptable to bring dogs on trails. However, always look for local signage regarding pet policies, especially in protected natural reserves, to ensure compliance.

What should I wear or bring when visiting the natural monuments?

For comfortable exploration, wear sturdy, comfortable walking shoes suitable for varied terrain, as paths can range from paved to unpaved or muddy. Dress in layers to adapt to changing weather conditions. Bringing water, snacks, and sun protection (hat, sunscreen) is always advisable. If visiting wetlands like the Marais de Maroeuil, insect repellent might be useful.

Are there any hidden natural gems to discover near Étrun?

Beyond the more prominent sites, the Marais de Maroeuil stands out as a significant natural gem. It's a protected swamp area managed for its ecological importance, offering an unspoiled natural environment rich in diverse flora and fauna, including rare species like the fumeterre orchid. It provides a tranquil escape for nature enthusiasts.

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