4.5
(435)
1,939
riders
195
rides
Touring cycling in Forêt De Retz offers an extensive network of paths within one of France's largest forests, spanning approximately 13,000 hectares in the Aisne department. The terrain primarily features a majestic beech forest, characterized by wide forest tracks and diverse landscapes. Cyclists can find routes with varying elevation changes, ranging from mostly paved surfaces to unpaved segments, catering to different fitness levels. This area is a designated Natura 2000 site, known for its biodiversity and historical elements.
Last updated: July 5, 2026
4.4
(7)
20
riders
49.4km
03:05
480m
480m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
7
riders
62.5km
03:52
490m
490m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3.0
(1)
3
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
riders
117km
07:13
920m
920m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
29.4km
02:22
220m
220m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
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At the tip of the fortified spur of Crépy-en-Valois, the former Saint-Arnoul priory (founded in the 10th century, which became a Benedictine abbey and then an important Cluniac priory in 1076) suffered heavy damage during the Hundred Years' War, particularly during the sack of 1434. Of the church, the necropolis of the Counts of Valois, the western wall of the crypt and that of the north aisle remain, revealing a remarkable Romanesque vocabulary (acanthus leaf capitals, Carolingian traditions). Enhanced since 1964, the complex still retains the 12th-century stoker's room, the superb chapter house and the eastern gallery of the cloister.
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The Château de La Ferté-Milon is an unfinished castle in La Ferté-Milon, France. It was commissioned by Louis of Orléans at the end of the 14th century but was never completed due to his death. The castle is known for its long façade and the remains of a gateway, which are now a popular attraction. The castle is a reminder of the grandeur Louis of Orléans envisioned, but also of the ravages of time. It is a popular destination for tourists and history and architecture enthusiasts.
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-1552 Purchase by Jean d'Estrées. -1552-1575 Construction work on the current château. -1573 Birth of Gabrielle d'Estrées in Coeuvres-Valsery. -1575 Death of Jean d'Estrées, grandfather of Gabrielle d'Estrées. -1590 Visit of Henri IV to Coeuvre-Valsery, where he met Gabrielle d'Estrées. -1739, The degraded château passed to the Le Telliers. -1793-1795 Sale as national property, demolition, and division of the estate. -19th century, purchase by the Berthier de Sauvigny family, who carried out extensive restoration work at the end of the 19th century. -1918 Bombings during the Battle of the Marne. -Around 1920, restoration work as war damage. -1953 Sale to the municipality of Madeleine-lès-Lille, which established a summer camp there. -1974 Conversion into a retirement home.
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Inside this pavilion, a large room adorned with a neo-Renaissance fireplace, black and white floor, beamed and joist ceiling decorated with paintings and coats of arms, and low paneling. Two other rooms. A stone spiral staircase. Upstairs, a large, undecorated room, two other rooms. A large attic. On the southeast side, a superb cryptoporticus on which the wooden gallery may have stood, comprises a series of vaulted rooms, including the large kitchens with their superb stereotomy. Beautiful stone slab floors. A second basement level houses flooded galleries. Remains of the staircase pavilion with two semicircular bays, a straight staircase with a ramp under a semicircular vault. To the northeast, the outbuildings wing, largely rebuilt after the First World War, in the center, a porch dwelling topped with a hipped roof, adjoining a staircase turret topped with a dome. Inside, there are a few rare original features, a stone spiral staircase, and a neo-Renaissance fireplace. A lovely volume on the first floor of the porch. Character: Gabrielle d'Estrées. Born in Coeuvres-Valsery in 1573, died in Paris in 1599. A woman with a tumultuous life, whose mother was already described as frivolous, the family of seven sisters was called "the seven deadly sins" by Madame de Sévigné, the father saying that Coeuvres-Valsery was "a rabbit hutch for whores." The family had great social ambitions, and she already held important offices and positions. Gabrielle met King Henry IV at Coeuvres-Valsery in 1590, through her lover. The King courted her ardently, returning especially to Coeuvres-Valsery; after six months, she yielded. He wanted to marry her, even going so far as to announce their marriage publicly at a celebration at the Louvre on February 23, 1599. She died shortly thereafter, on April 10, 1599, carrying the child she had with Henry IV, likely from the effects of her pregnancy, although she showed every sign of poisoning, which long cast doubt on the cause of her death. Henry IV showered the d'Estrées family with titles and offices. Gabrielle's father, Antoine d'Estrées, was Governor of the Île-de-France; her brother, François-Annibal, Bishop of Noyon and French Ambassador to Rome; her sister, Abbess of Maubuisson. Historical origins: -Villiers family
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Hello, Here is the true story of the Château de Coeuvres. For your information, I was born and lived for 20 years in a house opposite Gabrielle's pavilion! Meeting place of Henri IV and Gabrielle d'Estrées in 1590 - An original and dreamlike Renaissance Mannerist festive castle, built for the Dukes of Estrées in the mid-16th century, completed around 1575. Henri IV met Gabrielle d'Estrées there in 1590, the date of the beginning of their romantic and tumultuous affair. Six hectares of land. Although it has the appearance of a fortress, it is a pleasure castle, and more precisely a festive one, given its off-center layout characterized by a small, off-center main building, the presence of four imposing pavilions, and a possibly missing large gallery to the southwest. The ambitious d'Estrées family, which included a French ambassador to Rome, had a festive and social reputation, close to the royal family; Coeuvres-Valsery was elevated to a marquisate and then to a duchy-peerage for them. Of this ambitious complex, built in the second half of the 16th century, close to royal achievements, only vestiges remain, resulting from the demolitions of the Revolution and the bombardment of 1918, while the restoration initiated at the end of the 19th century had just been completed. The setting, curiously located on a marshland, confirms a Baroque choice, which can be explained by Mannerism, a 16th-century school of thought and art with a taste for the strange, the curious, the bizarre, and the original; sometimes going to extremes of incongruity and bad taste. Architecture: A square plan, marked by large dry moats spanned by bridges on both sides, flanked by slightly projecting square corner pavilions. The architecture is beautifully patterned with limestone, and the moat walls are slightly sloped. The most remarkable feature is the Henri IV pavilion to the west, with a square plan topped with a large hipped roof, adjoined by a square stair tower topped with a dome; on the side, a low wing. The windows are mullioned and transomed, with dormers featuring arched pediments. Beautiful moldings on the facades, and windows with bands.
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The Château de Cœuvres dates back to the 16th century and was probably built by a member of the Estrées family, a nobleman renowned since the 15th century. In September 1914, German troops entered the castle, forcing Albert to shelter Ernst Gunther, Duke of Schleswig-Holstein, and the Prince of Saxe-Meiningen. Two weeks later, the Germans were driven out during the First Battle of the Marne, and the castle was occupied by the French 6th Army. General Michel Joseph Maunory established his headquarters there. During World War I, the castle was used by various regiments and served as a hospital. In 1918, during the Second Battle of the Marne, the village and castle were caught in the middle of intense artillery fire and tank battles, which completely destroyed them. Cœuvres Castle is currently closed to the public as it is now used as a retirement home. The west tower is empty. A beautiful castle. It must be special to live there as an older person.
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Saint-Médard-et-Saint-Gildard Church in Cœuvres-et-Valsery Of this church, dating from the 12th, 13th, and 16th centuries, only the base of the choir, the bell tower, and part of the two adjoining naves remained after the First World War. The monument was classified as a historical monument in 1920.
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Forêt De Retz offers a varied cycling experience. You'll primarily find wide forest tracks through majestic beech forests. Routes range from mostly paved surfaces suitable for easy rides to more challenging excursions with unpaved segments and significant elevation changes, catering to all fitness levels.
Yes, Forêt De Retz has a good selection of easier routes. Out of over 180 touring cycling routes, 46 are classified as easy. These typically feature less elevation gain and more stable surfaces, making them ideal for beginners or those seeking a relaxed ride.
The forest is renowned for its 'cathedral of beech trees,' with some ancient trees reaching over 42 meters. As a Natura 2000 site, you might spot diverse wildlife like red deer, roe deer, and wild boar. The landscape also features unique elements such as rock formations and tranquil lakes like Étang de Malva and Étang de Fleury. Prehistoric sites like the Clouise Stone also add to the natural intrigue.
Absolutely. The region is rich in history. You can cycle past the impressive ruins of Longpont Abbey, a Cistercian abbey founded in 1131. Other notable sites include the Joost Van Vollenhoven 1914–1918 Memorial and the General Mangin Observation Tower. The magnificent Château de Villers-Cotterêts, now home to the Cité internationale de la langue française, is also located at the edge of the forest.
The komoot community highly rates touring cycling in Forêt De Retz, with an average score of 4.4 stars from over 300 reviews. Cyclists often praise the extensive network of paths, the serene beauty of the ancient beech forests, and the opportunity to combine natural exploration with visits to historical sites like Longpont Abbey.
Yes, many routes in Forêt De Retz are designed as loops, offering convenient circular journeys. For example, the Le Petit Pont Vert – La Ferté-Milon loop from Ivors is a popular option, as is the Church – Château Park Garden loop from Vaumoise.
Yes, the forest offers routes suitable for families. The presence of easy-rated trails and wide forest tracks makes it possible to find paths that are less challenging and safer for younger riders. Look for routes with minimal elevation gain and paved or well-maintained surfaces for a comfortable family outing.
Generally, dogs are welcome in Forêt De Retz, especially on forest paths and trails, provided they are kept under control, often on a leash, to protect wildlife. It's always advisable to check specific local regulations or signage at trailheads, particularly within sensitive Natura 2000 areas, to ensure compliance.
Forêt De Retz offers a picturesque environment throughout the seasons. Spring brings lush greenery and blooming flora, while autumn transforms the beech forest into a spectacle of vibrant colors. Summer provides pleasant temperatures for cycling, and even winter can be beautiful, though some paths might be muddy or require more suitable tires. The best time depends on your preference for scenery and weather conditions.
Forêt De Retz is located approximately 80 km northeast of Paris, making it relatively accessible. While direct public transport links into the heart of the forest for cyclists might be limited, surrounding towns and villages often have train or bus connections. From these points, you can cycle into the forest. It's recommended to check local transport schedules and bike carriage policies for specific routes.
Yes, experienced touring cyclists will find challenging options. Out of over 180 routes, 32 are classified as difficult. These routes often feature significant elevation changes and may include unpaved segments, providing a more demanding ride through the forest. An example is the Marolles lock – Le Petit Pont Vert loop from Vaumoise, which covers over 60 km with notable elevation.


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