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France
Hauts-De-France
Saint-Omer

Arques

Top 6 Natural Monuments around Arques

Natural monuments around Arques highlight the region's diverse natural landscape in northern France. The area is characterized by its wetland ecosystems, including the Audomarois marshes, and features remnants of historical land use such as peat cutting. These sites offer a variety of natural spaces, from nature reserves to forests and ponds. They provide habitats for local flora and fauna, contributing to the region's natural heritage.

Best natural monuments around Arques

  • The most popular natural monuments is Romelaëre Nature Reserve Circuit

Last updated: July 2, 2026

Romelaëre Nature Reserve Circuit

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The Réservé Naturelle Nationale des Étangs du Romelaëre is a beautiful nature reserve located in Clairmarais, Saint-Omer and Nieurlet. This reserve, which covers approximately 108 hectares, is a remnant of …

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14 centuries of hard work

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Nice, here you can compare the photo with the current situation.
13th century: stone sculptor;
1600: moving with the pole (flat bottom/punter)
1700: dredging with a dredging net
1850: drainage …

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Harchelle Lake

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Magnificent lake in the middle of the forest, ideal for starting a walk around the lake or a hike through the forest

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Pihem Ravine

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Nice descent a bit technical
For novices but possible at low speed

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Blue Lake

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A very nice lake to stay at. Bathing is not permitted

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Popular around Arques

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Willem VS
November 4, 2024, 14 siècles de dur labeur

Nice, here you can compare the photo with the current situation. 13th century: stone sculptor; 1600: moving with the pole (flat bottom/punter) 1700: dredging with a dredging net 1850: drainage mill 1900: fishing with bundle of branches 1920: harrowing and rolling

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The Réservé Naturelle Nationale des Étangs du Romelaëre is a beautiful nature reserve located in Clairmarais, Saint-Omer and Nieurlet. This reserve, which covers approximately 108 hectares, is a remnant of an old peat cutting from the 19th century. The area consists of ponds, canals, bridges and chain pits, and offers a rich diversity of flora and fauna.

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Baptiste
August 10, 2023, Lac Bleu

What a beautiful lake, it has been well highlighted, swimming is prohibited but you have the possibility of strolling all around.

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Bull62
July 14, 2023, Lac d'Harchelle

Magnificent lake in the middle of the forest, ideal for starting a walk around the lake or a hike through the forest

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Bull62
June 9, 2023, Ravin de Pihem

superb course in the middle of nature

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Beautiful area

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Nice descent a bit technical For novices but possible at low speed

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Anne
June 12, 2022, Lac Bleu

A very nice lake to stay at. Bathing is not permitted

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Frequently Asked Questions

What are some of the most popular natural monuments to visit around Arques?

The region around Arques offers several highly-regarded natural monuments. Among the most popular is the Romelaëre Nature Reserve Circuit, known for its network of ponds, canals, and diverse flora and fauna. Another favorite is Harchelle Lake, nestled within a forest, perfect for tranquil walks. Visitors also appreciate the Saint-Omer Public Garden, which combines French and English landscape styles with an arboretum.

Are there family-friendly natural monuments in the Arques area?

Yes, many natural monuments around Arques are suitable for families. The Romelaëre Nature Reserve Circuit, Harchelle Lake, and Saint-Omer Public Garden are all categorized as family-friendly. These spots offer pleasant environments for walks and exploring nature with children.

What kind of natural features can I expect to see in the natural monuments around Arques?

The natural monuments around Arques are characterized by diverse wetland ecosystems. You'll encounter numerous ponds, canals, and lakes, such as those within the Romelaëre Nature Reserve and the Ponds of Arques (Arc-en-ciel, Batavia, Malhôve, Beauséjour). Forests like the Forêt de Rihoult-Clairmarais are also prominent, offering lush green spaces. The wider Marais Audomarois, a UNESCO biosphere reserve, showcases unique landscapes shaped by water and greenery.

Where can I go for a walk or hike near Arques' natural monuments?

You can find numerous walking and hiking opportunities near Arques' natural monuments. For example, the Romelaëre Nature Reserve Circuit offers a trail through its unique wetland landscape. The Forêt de Rihoult-Clairmarais, which includes Harchelle Lake, provides extensive forest trails. For more structured routes, you can explore various jogging and cycling trails around Arques, such as the "Beauséjour Pond loop from Arques" or routes through the Clairmarais Forest. Find more options on the Running Trails around Arques guide or the Cycling around Arques guide.

What historical or cultural significance do these natural monuments hold?

Many natural monuments around Arques have deep historical roots. The Romelaëre Nature Reserve Circuit is a remnant of 19th-century peat cutting. Harchelle Lake, within the Forêt de Rihoult-Clairmarais, was dug around the 9th century by monks for peat extraction. The Saint-Omer Public Garden was created in 1893 on the site of old city fortifications. The wider Marais Audomarois is a historically significant wetland, shaped by centuries of human interaction with its unique environment.

Can I bring my dog to the natural monuments around Arques?

While specific regulations for each site may vary, generally, many outdoor natural areas in France, including forests and nature reserves, allow dogs on a leash. It's always best to check local signage at each specific natural monument, such as the Romelaëre Nature Reserve Circuit or the Forêt de Rihoult-Clairmarais, for any specific restrictions or designated dog-friendly trails.

What is the best time of year to visit the natural monuments in Arques?

The natural monuments around Arques can be enjoyed throughout the year, but each season offers a different experience. Spring brings blooming flora and active wildlife, while summer provides warm weather for longer explorations. Autumn showcases beautiful foliage, especially in areas like the Forêt de Rihoult-Clairmarais. Even winter offers peaceful, crisp walks, though some paths might be muddy. For optimal weather for hiking and wildlife spotting, late spring to early autumn is generally recommended.

Are there any less crowded or "hidden gem" natural monuments worth exploring?

While popular sites like Romelaëre Nature Reserve are well-known, the smaller Ponds of Arques (Arc-en-ciel, Batavia, Malhôve, and Beauséjour) offer serene natural spaces that might be less crowded. These former gravel pits, now repurposed into bodies of water, provide peaceful environments for walks and a smooth transition between urban and natural areas on the edge of the Audomarois marshes.

What wildlife can I spot in the natural monuments around Arques?

The wetland ecosystems around Arques, particularly the Romelaëre Nature Reserve Circuit and the Marais Audomarois, are rich in biodiversity. You can expect to see a variety of bird species, including waterfowl and migratory birds. Amphibians, insects, and various aquatic flora thrive in these environments. The forests, such as Forêt de Rihoult-Clairmarais, also host woodland creatures and diverse plant life.

Are there easy walking trails suitable for beginners or those seeking a relaxed stroll?

Yes, several natural monuments around Arques offer easy walking options. The Saint-Omer Public Garden provides gentle paths through its landscaped areas. The trails around Harchelle Lake in the Forêt de Rihoult-Clairmarais are generally suitable for relaxed strolls. Additionally, some sections of the Romelaëre Nature Reserve Circuit are accessible and offer pleasant, flat walks through the wetlands.

What other outdoor activities are available near Arques' natural monuments?

Beyond walking and hiking, the area around Arques offers various outdoor activities. Cycling is popular, with routes like the "Ghière Canal – Saint-Omer station loop from Arques" providing easy options. Mountain biking trails are also available, such as "The Nature Barn – Rihoult-Clairmarais Forest loop from Arques." The numerous ponds and canals in the Marais Audomarois are ideal for boating or kayaking. You can find more details on the MTB Trails around Arques guide and the Cycling around Arques guide.

Where can I find parking when visiting these natural monuments?

Parking availability varies by location. For popular sites like the Romelaëre Nature Reserve Circuit or the Saint-Omer Public Garden, designated parking areas are usually available nearby. When visiting the Forêt de Rihoult-Clairmarais and Harchelle Lake, you can often find parking at forest entrances or trailheads. It's advisable to check specific access points for each monument before your visit.

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Extend your search for the best caves by checking out these guides of the top ones around Arques:

Saint-Martin-Lez-TatinghemLonguenesseSalperwickSerquesClairmaraisTilquesLeulinghemZudausquesHeuringhemSaint-FolquinHelfautBlendecquesCampagne-Lès-WardrecquesWizernesMoulleÉperlecquesEcquesWardrecquesHoulleMoringhemWisquesRacquinghemHallines

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