4.3
(716)
5,800
hikers
210
hikes
Family friendly hiking trails around Vallée du Costour offer a natural escape within the urban environment, characterized by a 129-hectare valley featuring diverse terrain. The landscape includes lush wooded areas, open meadows, and fields, with a river meandering through its heart. Hikers can experience panoramic views overlooking the Brest harbor and the Anse du Moulin Blanc.
Last updated: July 13, 2026
4.4
(5)
102
hikers
6.78km
01:48
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.6
(8)
170
hikers
5.80km
01:29
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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3.3
(3)
32
hikers
5.36km
01:28
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2.7
(3)
17
hikers
8.25km
02:16
140m
140m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
3.0
(2)
15
hikers
6.23km
01:41
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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A magnificent landscape on both sides!!!
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feet in the water while being in the city.
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In the hollow of the valley, a small stream meanders, feeding many ponds and a waterfall. Perfect for recharging your batteries. This arboretum is sumptuous. You will find incredible tree species, sequoias, eucalyptus, magnolias, giant bamboos and an alley planted with absolutely remarkable tree ferns. On the water, a beautiful diversity of birds, cormorants, herons, egrets, ducks, and kingfishers among others. Good walk a stone's throw from the beach and the marina of the marina.
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In the heart of the Vallon du Stang-Alar, the Botanical Conservatory garden is nestled in a former quarry. The 30-hectare site was chosen for its mild climate, steep slopes and the presence of water, which make it an exceptional place where plants from all over the world can be grown. The site is crossed by wide and narrow, stabilized paths, as well as forest trails. Opening hours Conservative garden: open every day from 9:00 a.m. to 6:00 p.m., until 8:00 p.m. in summer.
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Nice view of the bay and easy to drive as no cars can cross this small cycle and pedestrian bridge.
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Moulin Blanc beach is the only fine sand beach in the city of Brest. It was developed over the last century to offer Brest residents a vacation spot close to the city.
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Nestled in the breathtaking landscape of Brest, it towers majestically above the Élorn - the Pont de l'Iroise. Its impressive silhouette, spanning the river between Le Relecq-Kerhuon and Plougastel-Daoulas, offers both locals and visitors an impressive perspective of the region. As you cycle across the bridge, you are accompanied by a magical panorama: If you look inland, the scenery opens up to a picturesque interplay of land and water. If you look to the other side, your eye will be rewarded with an unforgettable sea view. The bridge is a gift for cyclists. Here, in the flatter part of Brest, cycling is particularly pleasant. There is also a wonderful view of the city from here. The technical specifications of the Iroise Bridge are also remarkable. Located on the RN165, which connects Brest and Quimper, it is one of the most impressive cable-stayed bridges in France. It ranks in the list of main spans just behind the famous Pont de Normandie and the Pont de Saint-Nazaire, but ahead of the imposing Viaduc de Millau. But it's not just their size that makes them a highlight in the region. Photographers particularly appreciate the smaller bridge, which is closed to cars. From here you can capture the imposing Pont de l'Iroise in all its splendor.
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Vallée du Costour offers a wide selection of family-friendly hiking trails. You'll find over 200 routes, with more than half of them classified as easy, making them perfect for families with children.
The valley is a true green oasis, offering a diverse mix of landscapes. You'll wander through lush deciduous forests with chestnut, oak, and beech trees, cross open meadows, and follow a peaceful river. Many trails also provide magnificent panoramic views, notably overlooking the Brest harbor (Rade de Brest) and the Anse du Moulin Blanc.
Yes, there are many easy circular routes ideal for families. For example, the Moulin Blanc Beach – Viewing platform loop from Pont de l'Iroise is an easy 5.9 km loop that takes about 1 hour 30 minutes. Another great option is the Moulin Blanc Beach loop from Pont de l'Iroise, which is 6.8 km and typically takes around 1 hour 48 minutes.
Most family-friendly hikes in Vallée du Costour range from 1.5 to 2.5 hours, depending on the route's distance and your family's pace. For instance, the Hiking loop from Pont de l'Iroise is about 6.1 km and can be completed in under 2 hours.
Absolutely. The valley features many accessible paths, and over 115 of the routes are rated as easy. While some sections might have gentle slopes or become muddy after rain, they are generally well-suited for beginners and families with younger children. Just be prepared for varied terrain.
Yes, dogs are generally welcome on the trails in Vallée du Costour. It's always a good idea to keep them on a leash, especially in areas where wildlife might be present, to ensure their safety and respect for other hikers and the natural environment.
Vallée du Costour is beautiful year-round. Spring brings vibrant greenery and blooming flora, while autumn offers stunning foliage. Summer is pleasant for longer days, and even winter walks can be charming, though some paths might be muddier. The diverse deciduous forests make spring and autumn particularly scenic.
Parking is generally available at key access points around the valley, such as near Pont de l'Iroise or close to the Moulin Blanc Beach area. These spots often serve as convenient starting points for many of the circular routes.
The komoot community highly rates the trails in Vallée du Costour, with an average score of 4.3 out of 5 stars from over 600 ratings. Hikers often praise the valley's natural beauty, the variety of landscapes, and the peaceful atmosphere, making it a favorite for family outings.
Many trails offer fantastic views. Keep an eye out for panoramic vistas overlooking the Brest harbor and the Anse du Moulin Blanc. The valley's historical context as the site of the former Poudrerie du Moulin Blanc also adds an interesting layer to your exploration, though specific ruins might not be explicitly marked as attractions.
For families seeking a bit more challenge, there are moderate routes available. The View of the Bay – Moulin Blanc Beach loop from Pont de l'Iroise is a good option. It's an 8.9 km route with more elevation gain, typically taking around 2 hours 26 minutes, offering rewarding views.


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