Best attractions and places to see around Saint-Aubin include a range of historical sites and natural features. The area is characterized by its rich medieval past, featuring impressive castles and fortified structures. Visitors can explore remnants of ancient fortifications and significant religious buildings. Additionally, the region offers insights into historical events through its preserved sites.
Last updated: July 7, 2026
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There is a trench right next to it
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Great place to discover in the forest
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Possibility to sit on the steps for a meal or a break. Lamp recommended
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The caves at the bottom of Guesot in Fontenoy are part of a natural site which includes the slopes of Port-Fontenoy and the Ru de Vaux valley. The caves are home to rare bats that hibernate there in winter, and also contain prehistoric carvings on the walls. The caves are not open to the public, so you will need to obtain special permission from the Conservatory of Natural Sites of Picardy before you can visit them. On the other hand, you can admire them from the outside while running.
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Coucy Castle is a magnificent castle built in the 13th century by Enguerrand III, Lord of Coucy. It was one of the largest and most impressive castles in Europe, with a massive keep and four towers dominating the landscape. The castle was partially destroyed during the First World War, but its ruins still bear witness to its past glory. You can discover the castle and its history by participating in the Trail Enguerrand, a running race that takes you around the castle and its surroundings. The race is 30 km long, with 700 m of altitude difference, and it offers breathtaking views of the castle and the countryside. You can also opt for a shorter distance of 15 km, with 370 m of elevation gain. The race takes place in April and you can register online on the official website. By hiking this trail, you will not only get a good workout, but also a cultural and historical experience.
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The Guesot bottom caves in Fontenoy are part of a natural site which includes the slopes of Port-Fontenoy and the Ru de Vaux valley. The caves are home to rare bats that hibernate there in winter, and also contain prehistoric carvings on the walls. The caves are not open to the public, so you will need to obtain special permission from the Conservatoire des Sites Naturels de Picardie before you can visit them.
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This medieval gate, built in the 13th century, was part of the impressive fortifications of Coucy-le-Château, a town once famous for its castle and its motto: "I am neither king, nor prince, nor count, I am the lord of Coucy ". The Porte de Laon is a massive structure with two round towers and an arched passage, defended by a drawbridge, a double portcullis and a barbican. You can admire the architecture and military devices of this ancient bastion, as well as the panoramic view of the city and the surrounding countryside.
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The Saint-Aubin area is rich in history, primarily centered around Coucy-le-Château-Auffrique. You can explore the impressive ruins of Coucy Castle, a significant 13th-century fortress. Don't miss the medieval Laon Gate, part of Coucy-le-Château's fortifications, and the historic Saint-Sauveur Church, with origins dating back to the 12th century.
Yes, the area offers some intriguing natural sites. You can discover Le fond Guesot in Fontenoy, a natural site featuring caves that are home to rare hibernating bats and contain prehistoric carvings. While the caves themselves require special permission to enter, their surroundings offer a unique natural experience.
Absolutely. Coucy Castle is listed as family-friendly, offering an engaging historical experience for all ages with its vast ruins and historical significance. Exploring the medieval fortifications and imagining life in a grand castle can be a captivating activity for families.
The region around Saint-Aubin provides various outdoor activities. You can find numerous routes for hiking, road cycling, and running. For instance, there are several hiking routes, including an easy 4.2 km loop around Coucy Castle, and road cycling routes ranging from easy to moderate, such as the 8.4 km 'Church of Trosly-Loire loop'. There are also running trails available.
Yes, there are several hiking opportunities. An easy 4.2 km loop trail, 'Coucy Castle – View of Coucy-la-Ville loop from Coucy-le-Château-Auffrique', allows you to explore the castle and its surroundings. Other moderate trails like 'Les sept muids — loop from Morsain' (11.7 km) and 'Hiking loop from Pont-Saint-Mard' (10.5 km) are also available for those looking for longer walks. You can find more details on hiking around Saint-Aubin.
Visitors frequently praise the historical depth and impressive scale of the attractions. The ruins of Coucy Castle are often highlighted for their past glory and breathtaking views. The medieval architecture of sites like the Laon Gate and the historical significance of the Saint-Sauveur Church are also highly appreciated.
Yes, the area holds significant remnants from past conflicts, particularly World War I. The Carrières de Confrécourt are underground quarries that served as a refuge for French soldiers during the war. Here, you can see sculptures and frescoes carved by soldiers, expressing their experiences. Violent battles also took place around the ruins of the 12th-century monastic farm nearby.
Coucy Castle, built in the 13th century by Enguerrand III, was once one of Europe's largest and most impressive castles, featuring a massive keep and four dominating towers. Although partially destroyed during the First World War, its ruins still stand as a testament to its past grandeur and strategic importance.
The Carrières de Confrécourt are open for guided tours on the first Sunday of each month, from April to September. It is essential to book in advance to explore these underground quarries and their unique historical carvings from World War I.
The Saint-Sauveur Church has origins dating back to the 12th century, with Romanesque baptismal fonts from the 11th century. Though it was destroyed in 1917 and later rebuilt identically, it retains its historical charm. It features modern stained-glass windows from 1936 depicting biblical stories and local history, and its choir and transept date from the 13th century.
Yes, road cycling is a popular activity in the area. You can find various road cycling routes, including moderate loops like the 'Church of Trosly-Loire – The Y point loop from Blérancourt' (112.4 km) or shorter, easier options such as the 'Church of Trosly-Loire loop from Saint-Paul-aux-Bois' (8.4 km).
The Laon Gate is a medieval gate built in the 13th century, forming a crucial part of the fortifications of Coucy-le-Château. This massive structure features two round towers and an arched passage, originally defended by a drawbridge and portcullis, showcasing the impressive military architecture of its time.
Beyond the well-known attractions, the caves of Le fond Guesot offer a glimpse into a hidden natural world. These caves are significant for their rare bat populations and prehistoric carvings. While access inside is restricted to protect the wildlife, the surrounding natural site provides a unique discovery opportunity.


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