Mountain peaks around Sizun are situated within the Monts d'Arrée, a range forming part of the Armorique Regional Natural Park in Finistère, France. Sizun serves as a gateway to these "mountains," which, despite modest elevations, offer wild landscapes and panoramic views. The region is characterized by moors, peat bogs, and granite formations, providing a distinct natural environment. These features contribute to the area's appeal for outdoor activities.
Last updated: July 1, 2026
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The chapel originally dates back to the 17th century. A visit is definitely worth it – the view is simply fantastic!
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One of the peaks of the Monts d'Arrée chain of the Armorican massif.
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Very beautiful chapel, recently restored after a fire in 2022. The panorama over the entire Monts d'Arrée, the sea and the crests of the Montagnes Noires is magnificent.
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Exceptional views from the summit. You can reach the summit by racing bike, although the last part is a bit gravelly.
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Roc'h Ruz, which means "red rock" in French, is the highest point in Brittany and the Monts d'Arrée. It rises to 385 meters on a ridge which includes several other Roc'hs.
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Complicated but doable ascent in stony paths.
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At 385 meters, the Roc'h Ruz is the highest mountain in Brittany.
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Roc’h Trédudon peaks at an altitude of 385 meters. It is less known than Roc’h Trevezel who steals the show for and the title of the highest peak in Brittany by two short meters. You can go from one to the other by taking the ridge path that connects them.
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The Monts d'Arrée, near Sizun, offer several distinct peaks. Among the most notable are Mont Saint-Michel of Brasparts, known for its 17th-century chapel and panoramic views, and Menez Kador, an archaeological site offering spectacular 360-degree views. Another significant peak is Roc'h Trédudon, which provides views of the surrounding area and is connected to Roc'h Trevezel by a ridge path.
Yes, the area around Sizun offers options suitable for families. While some trails can be challenging, the general landscape of the Monts d'Arrée allows for varied walks. For example, the area around Mont Saint-Michel de Brasparts and its chapel is considered family-friendly, offering a magical atmosphere and rewarding views without being overly strenuous for all ages. Routes around the Drennec Dam and Lake also provide easier walks.
The mountain peaks around Sizun are characterized by wild and unique natural features. You'll encounter extensive moors, misty peat bogs, and distinctive granite formations. Peaks like Roc'h Ruz and Roc'h Trevezel are known for their untouched natural beauty, including heather, broom, and gorse, and are home to diverse wildlife. The views often encompass vast landscapes, including the Yeun Elez peat bogs from Mont Saint-Michel de Brasparts.
Yes, several peaks have significant historical and cultural elements. Mont Saint-Michel of Brasparts features a charming 17th-century chapel at its summit, which is a focal point of local legend and history. Menez Kador is also recognized as an archaeological site, adding a historical dimension to its natural beauty.
The region around Sizun is excellent for various outdoor activities. You can find numerous opportunities for hiking, running, and road cycling. For example, there are several running trails like the 'Sizun Beach – Drennec Dam loop' and 'Menez Kador – Mont Saint-Michel of Brasparts loop'. Hiking options include the 'Menez Kador – Menez Kador loop'. Cyclists can explore routes such as the 'Trédudon Pass – Mont Saint-Michel of Brasparts loop'. You can find more details on these activities in the Hiking around Sizun, Running Trails around Sizun, and Road Cycling Routes around Sizun guides.
For breathtaking panoramic views, the summits of Mont Saint-Michel of Brasparts and Menez Kador are highly recommended. From Mont Saint-Michel, you can see the entire Monts d'Arrée, the sea, and the crests of the Montagnes Noires. Menez Kador offers spectacular 360-degree views on clear days. Roc'h Trevezel, though not a highlight in this guide, is also renowned for its incredible vistas.
While the Monts d'Arrée peaks are not exceptionally high, some trails offer a good challenge. The ascent to Menez Kador is described as 'complicated but doable' with stony paths. Hiking trails around Mont Saint-Michel de Brasparts can range from moderate to hard, requiring good to very good fitness depending on the chosen route. For longer, more difficult routes, consider options like the 'Running loop from Saint-Cadou' (17.28 km) or 'Saint Cadou – Drennec Dam loop' (16.36 km) which are rated difficult.
The Monts d'Arrée offer a unique atmosphere throughout the year. Spring and autumn are particularly pleasant for hiking, with vibrant colors and generally milder weather. However, the region's wild moors and misty landscapes can be enjoyed in any season, offering a different, often mysterious, experience. Always check local weather conditions, as visibility can be zero in fog, especially on higher points like Menez Kador.
Yes, the wild landscapes of the Monts d'Arrée, particularly around peaks like Roc'h Ruz, are ideal for wildlife spotting. The diverse ecosystem of peat bogs, moors, lakes, and rivers provides habitats for various species. Keep an eye out for local birds and other animals that thrive in this untouched natural environment.
While Sizun itself is accessible, direct public transport to the specific mountain peaks within the Monts d'Arrée can be limited. It is generally recommended to use a car to reach trailheads or parking areas near the peaks, such as the parking available for Menez Kador or Roc'h Trevezel (via D785). Planning your route in advance is advisable.
The Monts d'Arrée, despite their modest elevation, offer a distinct 'mountainous' experience characterized by their ancient geological history, wild moors, and significant biodiversity. Unlike towering alpine peaks, these 'mountains' provide a unique blend of rugged granite formations, expansive peat bogs, and a rich cultural heritage steeped in Breton legend. The atmosphere is often described as mysterious and authentic, especially in misty conditions.
Yes, there are several circular routes that allow you to explore the peaks and their surroundings. For instance, you can find the 'Menez Kador – Menez Kador loop' starting from Kerabiou or Parking du restaurant, which offers a moderate hiking experience. Another option is the 'Menez Kador – Mont Saint-Michel of Brasparts loop' for running, which also forms a circular path connecting two significant peaks.


See even more amazing summits around Sizun with these guides: