Best attractions and places to see around La Hérie, a village in the Aisne department of France, offer a blend of historical and natural landscapes. The region is particularly known for its distinctive fortified churches, which combine religious and military architecture. Visitors can explore various man-made monuments and natural features that characterize the Thiérache region. This area provides opportunities to discover historical sites and scenic routes.
Last updated: June 23, 2026
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The faithful trust in the help of the Mother of God – who in France is always venerated under the title “Notre-Dame” (which corresponds to the German name “Our Lady”) – was expressed by the French nun, mystic and Doctor of the Church, Saint Thérèse of Lisieux (religious name Thérèse of the Child Jesus and the Holy Face, 1873 to 1897) as follows: “In trials or difficulties I turn to Mother Mary, whose gaze alone is enough to dispel all fear.”
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The Église Notre-Dame de Plomion is a historic church located in Plomion, in the Aisne department, France. The church was built between the 12th and 16th centuries and is an example of a fortified church. The building consists of a large quadrangular tower between two towers, with a truncated tower at each end of the transept. The church has an impressive interior with a choir and transept covered with ribbed vaults. There are several paintings and sculptures on display, including a depiction of Christ in the Garden of Gethsemane in the left transept.
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Without doubt one of the most beautiful of the 65 fortified churches in Thiérache. Remarkably restored. A must-see!
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The fortified church of Plomion is one of the most remarkable in Thiérache. Completely renovated and freely accessible upstairs, since June 25, 2022, it was built in bricks and stands on the foundations of an old church, where a permanent garrison was stationed. This church is the "finished" type of fortress church which includes all the elements of fortification: tower, keep, turrets, watchtowers and a set of more than 60 loopholes including 42 on the keep! Numerous geometric patterns in vitrified bricks such as hearts and diamonds adorn the building.
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The Église Saint-Martin de Wimy is a Catholic church located in the municipality of Wimy, in the east of the Aisne department. The church was built in the 16th century and is one of the finest examples of a fortified church in the region. The church has a massive donjon with a square plan and a double-pitched roof, flanked at the front by two enormous towers five meters in diameter, all in brick, except for the base of the towers in sandstone. The rest of the church, which extends behind the donjon, is a parallelogram of stone, with numerous restorations in brick. The church has been listed as a historical monument since 1989.
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Locomobile No. 3003, which can be seen at the entrance to the town of Buire and the former railway depot, was manufactured in 1900 by the construction engineer Emile Salmson. Its operating pressure was 7 bars. Property of the Northern Railway Company, it was used to drive the machine tools of the Hellemes Workshops (North). As the SNCF machine tools became autonomous, she ended her career in 1939. It was Monsieur Raclot, director of the Leclerc center, who offered her second youth to the ECO-RAIL association.
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Le viaduc ferroviaire de OHIS. It is a railway viaduct located in Ohis, a village in the Aisne department, a few kilometers east of Guise 23. The viaduct is an architectural masterpiece and is one of the highest railway viaducts in France. The viaduct was built in 1870 and has a height of 50 meters and a length of 300 meters. The viaduct is still in use and is part of the railway line between Laon and Hirson.
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The Notre-Dame de Plomion church is one of the most remarkable fortified churches in the region. Built in brick on the foundations of an old church, it has a large square tower, two round towers, two turrets and more than 60 loopholes. You will be able to admire the geometric patterns of the enameled bricks, such as hearts and diamonds, which decorate the building. The church is open to the public and has an interactive terminal which allows you to discover the upper floors without climbing. You can also see a small prison and a semi-circular dome ceiling.
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The region around La Hérie is rich in history, particularly known for its unique fortified churches. You can visit the Fortified Church of Saint-Martin of Wimy, a 16th-century Catholic church considered one of the finest examples in the region, featuring a massive keep and two large towers. Another remarkable site is the Notre-Dame de Plomion Church, built of brick with a large square tower, two round towers, and over 60 loopholes. The Ohis Railway Viaduct, an architectural masterpiece from 1870, also offers a glimpse into the area's industrial heritage.
Yes, for those who enjoy nature, the Route forestière de Cendron offers a scenic route through the forests of St-Michel, particularly suitable for cycling. While the path may not be optimal for narrow road bike tires, it is navigable with caution. The broader Thiérache region is also known for its green areas, providing opportunities to enjoy the natural environment.
The area around La Hérie offers various outdoor activities. You can find several routes for running, road cycling, and gravel biking. For running, explore options like the 'Ohis Railway Viaduct – Ohis Viaduct loop' or 'Bois de Buire loop'. Road cyclists can enjoy routes such as the 'Circuit of the Churches of Aisne' or the 'Ohis Railway Viaduct – Old railroad loop'. Gravel biking routes include the 'Ohis Railway Viaduct – Old railroad loop from Hirson Écoles'. You can find more details on these activities in the respective guides for Running Trails around La Hérie, Road Cycling Routes around La Hérie, and Gravel biking around La Hérie.
Yes, several attractions are suitable for families. The Notre-Dame de Plomion Church is considered family-friendly, offering an interactive terminal to explore its upper floors without climbing. The Locomobile Salmson No. 3003, a historical steam engine, is also listed as a family-friendly spot, providing an interesting historical point of interest.
The fortified churches in the Thiérache region, such as the Fortified Church of Saint-Martin of Wimy and the Notre-Dame de Plomion Church, are unique because they blend religious architecture with military defense features. They were often built with thick walls, keeps, towers, turrets, and loopholes, serving both as places of worship and as defensive structures during times of conflict. The Notre-Dame de Plomion Church, for instance, also features distinctive geometric patterns of enameled bricks.
For the Église Saint-Pierre de La Hérie, you can visit the interior by obtaining a key from the local Mairie during opening hours. The Notre-Dame de Plomion Church is open to the public and includes an interactive terminal for exploring its upper floors without climbing, as well as a small prison and a semi-circular dome ceiling.
The Ohis Railway Viaduct is an architectural masterpiece built in 1870. Located in Ohis, it stands 50 meters high and 300 meters long, making it one of the highest railway viaducts in France. It is still in use today as part of the railway line between Laon and Hirson, showcasing impressive 19th-century engineering.
While not extensively detailed, the Locomobile Salmson No. 3003 in Buire is a unique historical point of interest. This locomobile, manufactured in 1900, was used to drive machine tools and offers a glimpse into early industrial technology. It's a nice spot to stop and read the information provided.
Visitors appreciate the historical significance and architectural beauty of the fortified churches, often noting their well-preserved state and unique features. The Fortified Church of Saint-Martin of Wimy is praised for its massive keep and towers, while the Notre-Dame de Plomion Church is admired for its intricate brick patterns and interactive elements. The Ohis Railway Viaduct is also recognized as a very pretty region for cycling.
The terrain for outdoor activities around La Hérie varies. For example, the Route forestière de Cendron, while scenic, may not be optimal for narrow road bike tires, suggesting a more rugged path. Many of the running and cycling routes in the area are rated as 'moderate' difficulty, indicating varied elevation and surfaces. Some routes, like certain running loops from Buire, are considered 'easy', while others, such as a running loop from Origny-en-Thiérache to the Ohis Viaduct, can be 'difficult'.
When cycling the Route forestière de Cendron, it's advised that the path may not be optimal for narrow road bike tires, so caution is recommended. The route runs for kilometers car-free through the 'quiet area' of the forests of St-Michel, offering a reasonably up-and-down ride. It's a mystical place that provides a unique cycling experience.
Yes, at the entrance to the town of Buire, where the Locomobile Salmson No. 3003 is located, there is information available. This locomobile was manufactured in 1900 by Emile Salmson and was originally used by the Northern Railway Company to drive machine tools. It ended its career in 1939 before being given a second life by the ECO-RAIL association.


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