4.5
(185)
1,095
riders
62
rides
Touring cycling around Abbaretz features a landscape characterized by a mix of water bodies, such as the Étang de Gruelleau, and varied terrain including the Abbaretz mine spoil tip. The region offers a network of routes that traverse both open areas and paths alongside waterways like the Erdre. These routes provide opportunities to explore the local environment, with options for different skill levels.
Last updated: July 2, 2026
4.6
(11)
70
riders
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(2)
18
riders
35.5km
02:40
160m
160m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
8
riders
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
5.0
(1)
8
riders
75.9km
04:34
500m
500m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(2)
5
riders
19.9km
01:35
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Large and beautiful neo-Gothic church whose construction was completed in 1903. Curiosity: the bell tower of the old church, the Church of Saint-Georges, has been preserved and still stands in front of the new church.
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A mill on the Erdre, in the middle of an absolutely charming "natural" site. Several picnic tables make this a spot well worth a short break.
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The west bridge of Lake Voireau offers a beautiful, unobstructed view of the reservoir. The largest body of water in Loire-Atlantique, this lake stretches through the heart of the forest. Its wooded banks and landscaped beaches make it a pleasant stopover for a nature break or a swim.
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A perfect place to relax or have a picnic. You can cross the Erdre River to take a path opposite.
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This archway is accessible, but the following ones toward Nort-sur-Erdre are not, due to ongoing safety work. A beautiful spot down below for a picnic on the banks of the Erdre.
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nighttime. A medieval fortress and Renaissance building, Châteaubriant Castle recounts ten centuries of history. In the Middle Ages, Châteaubriant Castle was at the heart of the Marches of Brittany. It served as a stronghold defending the duchy against the Kingdom of France. The keep, ramparts, seigneurial chapel, and the medieval courtyard lodgings still bear witness to the power of this fortress. In the 16th century, the bailey became a residence opening onto the gardens. The castle gardens are open to the public from February to December. Visit maps are available at the reception-shop for a better understanding of the site. A 3D space allows you to discover, with free access, the architectural evolution of the castle, from the 11th century to the present day. From February to December, heritage mediators will accompany you on an in-depth tour of the castle, its keep, and its gardens. During school holidays, family workshops allow parents and children to develop their creativity or spark their curiosity! Opening days: Gardens are open to the public, Wednesday to Sunday: 9am-6pm (February-March and October-December) or 9am-7:30pm (April-September). Prices: - Free entry for those over €0.00 (Free access to the château gardens) - Individual adult rate from €3.00 to €6.00 (Guided tours, free for those on minimum income and special cards) - Individual child rate from €0.00 (Guided tours free for those under 26) - Individual child rate from €0.00 (Guided tours free for those under 26) Child from €4.00 to €8.00 (Family activity) - Adult group rate from €5.00 (From 15 people) Payment methods: Credit cards - Bank and postal checks - Cash Tours Self-guided tours (individual): Yes Guided tours (individual): Yes Average visit duration (individual): 1 hour Self-guided tours (groups): Yes Guided tours on request (groups): Yes Guided tours (groups): Yes Average visit duration (groups): 1 hour Languages: Tour: French, English - Signs: French, English Services: Interactive kiosk - Shop - WiFi Additional information: Groups of 15 people or more are welcome - Pets allowed (Dogs on leashes are allowed in the park.) - Points of interest visible without a tour Access Location: SNCF train station: 0.5 km
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Also known as the "basin," the port of Nort-sur-Erdre is a lively, historic neighborhood that's a great place to stop off. At the foot of the Saint-Georges Bridge, which separates the wild Erdre from the navigable Erdre, the marina is now a popular place for walking and fishing. Free Wi-Fi access near the Tourist Office Contact the harbor master's office for an extended stay; the first two nights are free. Open year-round Type of facility: Slipway - River stopover - Pontoon - Marina Payment methods: Bank and postal checks Access location: Nort-sur-Erdre train station: 1 km Languages spoken: French Facilities: Picnic area - Restrooms - Services - Playground
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The construction of Port Mulon Castle dates back to the 19th century. Of its various owners, it primarily preserves the memory of Prosper Coinquet. Born in 1825 in Nantes, Prosper Coinquet was mayor of Nort-sur-Erdre twice, from 1859 to 1874, and again from 1877 to 1892. He was also a general councilor for the Loire-Inférieure department from 1883 to 1887. This lawyer by training was also a great lover of the arts. He was himself a musician and poet. He composed numerous songs and waltzes that enjoyed considerable regional success. He dedicated one of his waltzes, simply titled "Le port Mulon," to his castle. Prosper Coinquet chaired or was a member of several musical and literary societies. It was therefore only natural that he decided to make the château the setting for evenings dedicated to the arts. Readings and concerts were held in the park or in the reception hall. Nantes artists invited to perform came by way of the Erdre River. The setting, its tranquil riverbank, and its magnificent park wooded with rare species, thus retain the imprint of the music that was performed there until 1892. That year, Prosper Coinquet died at home. Since 2006, music has once again resonated in the park's foliage. Indeed, at the end of June, the venue hosts the La Nuit de L'Erdre festival. Today, the Château de Port Mulon and its park are managed by the municipality of Nort-sur-Erdre. A reception hall can be rented from the town hall, whether for private or professional events. You can also take yoga classes at the château. As for the Nantes Atlantique improvisation league, it has made it its headquarters. Finally, since 2017, the place has become a coworking space whose success continues unabated. As for the park, it's a place where, in addition to enjoying its vast spaces and magnificent trees, you can indulge in an orienteering course. Twenty markers are scattered throughout, and by exploring them, you'll learn much more about the treasures it contains. During your stroll, you'll undoubtedly encounter riders who enjoy riding their horses there. And if, at nightfall, you spot the fluttering shadows of numerous bats, don't be surprised. For several years, the castle and grounds have been havens for these nocturnal animals.
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Abbaretz offers a wide selection of touring cycling routes, with over 60 different tours to explore. These routes cater to various skill levels, ensuring there's something for everyone.
Yes, Abbaretz has plenty of easy routes. There are 26 easy touring cycling routes, perfect for beginners or families. An excellent option is the Abbaretz mine spoil tip – Étang de Gruelleau loop from Abbaretz, an easy 12.4-mile (19.9 km) path that circles the Étang de Gruelleau and passes the historic mine spoil tip.
The touring cycling routes around Abbaretz feature a diverse landscape. You'll encounter a mix of open areas, paths alongside waterways like the Erdre, and varied terrain including the unique Abbaretz mine spoil tip. Many routes connect local lakes and historical sites.
Absolutely. For experienced cyclists seeking a challenge, Abbaretz offers 7 difficult touring cycling routes. One such route is the Abbaretz mine spoil tip – Port of Nort-sur-Erdre loop from Abbaretz, a longer 45.9-mile (73.9 km) journey with significant elevation changes.
Along the touring cycling routes, you can explore several interesting landmarks. Highlights include the The Slag Heap (Abbaretz mine spoil tip), the tranquil Lake Vioreau, and the Port of Nort-sur-Erdre. Many routes also pass by other lakes and historical sites like La Forge Neuve.
Yes, many of the touring cycling routes in Abbaretz are circular, offering convenient starting and ending points. For instance, the popular Étang de Gruelleau – Abbaretz mine spoil tip loop from Abbaretz is a 22.1-mile (35.6 km) circular trail.
While cycling is enjoyable year-round, the best seasons for touring cycling in Abbaretz are typically spring and autumn. During these times, the weather is mild, and the natural scenery, especially around the lakes and waterways, is particularly beautiful. Summer can also be pleasant, though it may be warmer.
The touring cycling routes in Abbaretz are highly rated by the komoot community, with an average score of 4.5 stars from over 170 reviews. Cyclists often praise the varied terrain, the scenic views of the lakes and the historic mine area, and the well-maintained paths that offer options for different ability levels.
Yes, the region's routes often incorporate waterways. You can find paths alongside the Erdre river, and some routes connect to features like the Feed channel or the Pas d'Héric Lock on the Nantes to Brest Canal, offering a unique cycling experience.
The duration varies depending on the route's length and difficulty. For example, an easy 12.4-mile (19.9 km) route might take around 1 hour 35 minutes, while a more challenging 19.4-mile (31.3 km) route like La rigole alimentaire – Arcades of the Gué de la Roche loop from La Cartonnerie typically takes about 2 hours 21 minutes.
For those looking for longer rides, Abbaretz offers several extended options. The Port of Nort-sur-Erdre – Abbaretz mine spoil tip loop from Abbaretz is a challenging 56.8-mile (91.4 km) route, providing a substantial endurance test.


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