Best attractions and places to see around Clairmarais include a unique blend of natural beauty, historical landmarks, and cultural experiences within the Audomarois marsh. This village, located in the Pas-de-Calais department of France, is characterized by an intricate network of canals, market gardens, and diverse ecosystems. Visitors can explore its distinctive wetland environment and delve into its rich past. The area offers a variety of natural features and cultural sites.
Last updated: May 5, 2026
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After being closed for several years, the Saint-Omer train station has been given a facelift. The new, completely renovated building is dedicated to travelers, of course, but also to artists, craftspeople, entrepreneurs… La Station isn't just a station; it's "a space for innovation with a station inside." (c) https://nl.tourisme-saintomer.com/verwonderend/erfgoed-wonderen/meesterwerken-bewonderen/het-station-een-station-en-een-plaats-voor-innovatie/
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nature reserve where you can take a short circular walk (1 hour) and go to the observatory
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A midweek walk in March, outside of school holidays. Few people. A joy.
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Located in Saint-Omer, France, the Gare de Saint-Omer has a rich history dating back to the 19th century. The first version of the station opened on September 1, 1848, as part of the railway line from Lille to Calais. The original building was modest and located outside the city walls, between the Porte de Lyzel and the Porte du Haut-Pont. In 1904, a new, monumental station building was inaugurated, designed by the architect Clément Ligny. This building, with its neoclassical architecture, was built with high-quality materials such as blue stone from Soignies and white stone from Creil. The design reflects the grandeur of a 17th-century castle, complete with symmetrical pavilions and decorative elements such as triglyphs and pediments.
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The Porte d'Aire in Cassel is one of the historic city gates that is part of the old defensive wall of the city. This gate is known for its Gothic architecture and is an important historical monument. The Porte d'Aire is located on the southern side of the city and is one of the four gates that are still preserved from the medieval city walls. The gate has a characteristic serrated edge and is decorated with a carved coat of arms and a red inscription.
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The Porte d'Aire in Cassel is one of the historic city gates that is part of the old defensive wall of the city. This gate is known for its Gothic architecture and is an important historical monument. The Porte d'Aire is located on the southern side of the city and is one of the four gates that are still preserved from the medieval city walls. The gate has a characteristic serrated edge and is decorated with a carved coat of arms and a red inscription.
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Cassel is a fortified town on top of a hill and not far from the Belgian border with Poperinge (20 km). Beautiful views, cozy alleys, unique estaminets and a richly furnished museum in a historic mansion. This is in short what this walk in Cassel brings you. A lot of variety with a bit of history and culture, a lot of nature and local gastronomy. Enjoyment is the motto. Highlights are there for the taking in Cassel. For some, the Musée de Flandre will be the top attraction, for others the estaminets and still others will simply enjoy walking in the alleys. Let it all come over you and enjoy because this is Cassel.
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Clairmarais is renowned for its unique wetland environment. You can explore the vast Audomarois Marsh with its intricate network of canals, vibrant flora, and diverse fauna. A key access point is the Romelaëre Ponds Nature Reserve, a protected area spanning over 100 hectares, offering walking trails and observatories for nature observation. Additionally, the Rihoult-Clairmarais State Forest, the largest forest in Nord-Pas-de-Calais, provides shaded trails for hiking and relaxation.
Yes, the region boasts several historical landmarks. You can see the visible fragments of the Former Cistercian Abbey of Clairmarais, founded in 1140, some of which now house the Abbaye de Clairmarais brewery. The 17th-century pavilion of the Cistercian Farm of La Cloquette is also a listed historical monument. Further afield, Cassel Village is a fortified town with a rich history, cozy alleys, and a museum, while Watten Hill features a restored 18th-century mill and abbey ruins.
The area around Clairmarais is perfect for various outdoor activities. You can enjoy hiking through the Audomarois marsh and the Rihoult-Clairmarais State Forest. For specific routes, explore options like 'Le marais audomaroiss' or 'War memorial – Clairmarais Church loop' which are easy hikes. Mountain biking and road cycling are also popular, with routes such as 'Lansberghe Path – Rihoult-Clairmarais Forest loop' for MTB. You can find more details and routes in the dedicated guides for Hiking around Clairmarais, MTB Trails around Clairmarais, and Road Cycling Routes around Clairmarais.
Absolutely! The Romelaëre Ponds Nature Reserve offers easy walking trails and observatories, making it suitable for families to enjoy nature. Boat tours through the Audomarois marsh are a fantastic way to experience the unique wetland environment, with several operators like O Marais and OMARAIS by ISNOR offering trips. Cassel Village is also considered family-friendly, offering a blend of history, culture, and nature. The Boat Lift of Fontinettes, a historic hydraulic engineering marvel, can also be an interesting visit for families.
The best way to experience the Audomarois Marsh is by taking a boat tour. Several operators provide guided trips, allowing you to navigate the intricate network of canals, observe market gardening, and spot diverse wildlife like grey herons and mallards. You can also explore the marsh on foot via trails within the Romelaëre Ponds Nature Reserve, which offers observatories for wildlife spotting. For more information on the marsh, you can visit visitpasdecalais.com.
Visitors particularly enjoy the unique blend of natural beauty and historical charm. The panoramic views from Watten Hill and the picturesque setting of Cassel Village are highly appreciated. Many also love the tranquility and wildlife observation opportunities at the Romelaëre Ponds Nature Reserve, especially the chain ferry crossing. The local gastronomy and cozy estaminets in Cassel also receive high praise.
Beyond the natural beauty, Clairmarais offers unique cultural insights. The Abbaye de Clairmarais brewery, located within the remnants of the former Cistercian Abbey, offers guided tours and tastings, blending history with local craft. The Grotto of Our Lady of Lourdes along the departmental road is an important pilgrimage site, particularly on August 15th, offering a glimpse into local traditions.
Clairmarais offers charm throughout the year, but the warmer months from spring to early autumn (April to October) are generally ideal for exploring the marsh and forest. During this period, boat tours are in full swing, and the weather is pleasant for hiking and cycling. The Audomarois marsh is particularly vibrant with flora like yellow irises in spring and summer. For specific seasonal activities, it's always good to check local event listings.
Yes, Clairmarais is an excellent location for wildlife observation, especially within the Audomarois marsh and the Romelaëre Ponds Nature Reserve. You can spot diverse fauna including grey herons, mallards, and even otters. The nature reserve provides walking trails equipped with observatories specifically designed for discreet wildlife viewing.
While many attractions are best reached by car, the Saint-Omer station serves as a historical and renovated transport hub in the nearby city of Saint-Omer. From there, local buses or taxis might connect to Clairmarais and its surrounding areas. For specific attractions, checking local transport schedules is recommended.
The Romelaëre Ponds Nature Reserve is a key natural feature in the area, spanning over 100 hectares. It offers a rich diversity of wetlands, ponds, and canals, and is a haven for wildlife. You can find more detailed information, including access and visitor guidelines, on the official tourism website: en.tourisme-saintomer.com.


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