3
riders
03:22
68.1km
960m
Road cycling
This difficult 42.3-mile road cycling loop from Châteaulin features the legendary Menez Quelerc'h climb and panoramic views.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
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Waypoints
Start point
Parking
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61 m
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329 m
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4.32 km
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37.8 km
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68.1 km
End point
Parking
Way Types & Surfaces
Way Types
57.0 km
8.72 km
1.19 km
1.00 km
153 m
< 100 m
Surfaces
60.1 km
8.02 km
< 100 m
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Elevation
Highest point (260 m)
Lowest point (10 m)
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Weather
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Wednesday 20 May
23°C
12°C
0 %
Additional weather tips
Max wind speed: 17.0 km/h
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This route was planned by komoot.
This loop is considered a difficult road ride, requiring very good fitness. The main challenge is the Menez Quelerc'h climb itself, a Category 3 ascent with an average gradient of 4.5% to 6.9% and maximum inclines reaching 10.1% to 14%. The route features significant elevation gain and is constantly undulating.
The route is primarily on well-paved surfaces, making it ideal for road bikes. While the area can have some unpaved sections on other trails, this designated road cycling loop focuses on smooth roads, even with its demanding climbs and descents.
The best time to cycle this loop is generally during the spring, summer, and early autumn months when the weather is milder and more predictable. This allows for the best enjoyment of the panoramic views and the challenging climbs without the added difficulty of winter conditions.
Absolutely! From the summit of Menez Quelerc'h, you'll be treated to breathtaking panoramic views of the Bay of Douarnenez, Châteaulin, and the Aulne valley. In the distance, you can spot the Locronan mountain and the Montagnes Noires. The route also passes by the Châteaulin church and the Climb of Château de Trévarez.
As Châteaulin is a renowned cycling center, you should find various parking options within the town to begin your loop. Look for public parking areas near the town center or along the Aulne river, which is a common starting point for local routes.
Given its difficult rating, significant elevation gain (961.8 meters), and the demanding Menez Quelerc'h climb, this specific loop is generally not recommended for beginner road cyclists or families with young children. It requires very good fitness and experience with challenging ascents.
Yes, sections of this route overlap with other paths. You'll find yourself on parts of the Chemin de Halage du Canal de Nantes à Brest and the Véloroute du canal Nantes à Brest for a portion of the journey, offering a different perspective on the local cycling network.
This is a road cycling route primarily on public roads. While there aren't specific restrictions against dogs on public roads, it's generally not practical or safe to bring dogs along on a challenging 68 km road bike loop. If you're looking for dog-friendly options, consider dedicated walking or gravel trails in the region.
No, you do not need any special permits or have to pay entrance fees to cycle the Menez Quelerc'h loop. It utilizes public roads and access to the natural areas is free.
The estimated duration for this 68.1 km loop, with its 961.8 meters of elevation gain, is approximately 3 hours and 21 minutes of active cycling time. This can vary significantly based on your fitness level, speed, and how often you stop to enjoy the views.
The Menez Quelerc'h climb is renowned as a 'legendary climb in Brittany' and a 'must-do' for cyclists in the region. Its status is cemented by its inclusion in professional races, such as Stage 5 of the Tour de France in 2018 and Stage 2 of the Tour de France Femmes 2025. Like major Alpine and Pyrenean cols, it even has its own dedicated signage, highlighting its importance.