Vallée du Costour is a natural green space nestled between Brest, Guipavas, and Le Relecq-Kerhuon in Brittany, France. This tranquil area encompasses approximately 120 hectares of woods, meadows, and fields, providing a diverse landscape for outdoor activities. A modest river winds through its heart, and the terrain features wooded dry heathlands and deciduous forests, offering varied environments for exploration. The valley provides opportunities for several sports like jogging, hiking, road cycling, mountain biking, and more.
126
Routes
4.4
(267)
Average rating
4702
People visited

4.0
(3)
391
runners
9.67km
01:02
120m
120m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.2
(5)
312
runners
14.9km
01:44
210m
210m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
460
runners
12.7km
01:21
110m
110m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(2)
148
runners
9.31km
01:00
70m
70m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.5
(68)
208
riders
48.0km
03:58
670m
670m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

4.4
(15)
75
riders
42.5km
03:14
490m
490m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

5.0
(3)
15
riders
18.7km
01:04
120m
120m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

11
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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4.6
(22)
89
hikers
9.25km
02:28
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(6)
93
hikers
11.0km
02:53
90m
90m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

5.0
(1)
65
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

4.3
(4)
90
hikers
6.79km
01:48
70m
70m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.0
(2)
72
riders
33.0km
01:35
420m
420m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

43
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

3.0
(1)
42
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

25
riders
37.2km
01:41
300m
300m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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5.0
(3)
46
riders
29.4km
01:56
410m
410m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

44
riders
39.3km
03:04
490m
490m
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route.

34
riders
8.26km
00:28
20m
20m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
22
riders
26.3km
01:36
230m
230m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.6
(16)
33
riders
53.7km
03:11
340m
340m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.0
(2)
32
riders
59.3km
03:29
320m
320m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

4.4
(14)
35
riders
54km
03:09
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
17
riders
44.0km
02:50
390m
390m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Vallée du Costour offers a range of outdoor activities including jogging, hiking, road cycling, mountain biking, touring cycling, and gravel biking. The area features diverse landscapes such as woods, meadows, and fields. It provides varied terrain suitable for different activity types.
The terrain in Vallée du Costour varies from easily accessible paths to more rugged sections. It includes wooded dry heathlands and deciduous forests with chestnut, oak, beech, and maple trees. Some areas feature roots and steep slopes, particularly in winter, with potentially muddy sections.
Popular jogging routes in Vallée du Costour include loops around the Plage du Moulin Blanc and the Vallon du Stang-Alar. These routes offer coastal views and varied terrain. For more options, consult the Running Trails around Vallée du Costour guide.
Vallée du Costour contains historical traces of the Moulin Blanc gunpowder factory, established in 1876. Remnants of storage buildings and two washhouses from 1912 and 1913 are still visible. The valley was also used as a quarry for the reconstruction of Brest after World War II.
The valley is home to rich biodiversity, including deer, badgers, foxes, and golden-scarab beetles. Two protected species, the Quimper snail and the golden ground beetle, also reside here. The area features several streams, wetlands, and former quarry lakes.
Vallée du Costour offers paths suitable for various skill levels, including easier sections. For specific routes designed for families, refer to the Family-friendly hikes around Vallée du Costour guide on komoot.
Vallée du Costour is situated between Brest, Guipavas, and Le Relecq-Kerhuon, making it accessible from these urban areas. For hiking routes starting near public transport, consult the Hikes from bus stations around Vallée du Costour guide.
Vallée du Costour is suitable for mountain biking, with both wooded sections and open, rolling paths. Road cycling routes are available in the surrounding Brest area, some featuring paved surfaces. Guides like Road Cycling Routes around Vallée du Costour and MTB Trails around Vallée du Costour provide detailed information.
Vallée du Costour has attracted over 86,000 visitors who have shared their experiences on komoot. The routes in the region have an average rating of 4.31 out of 5 stars, based on more than 6,300 ratings.
Yes, komoot offers several guides for hiking in the area. These include Hiking around Vallée du Costour, Easy hikes around Vallée du Costour, and City hikes around Vallée du Costour.
Vallée du Costour is managed as part of Brest Métropole's green spaces. Information can be found on the Brest Métropole website. For general inquiries, the Brest Métropole general reception can be contacted at 02 98 33 50 50.
The Vallée du Costour features a modest river winding through its heart, along with several streams and wetlands. There are two main bodies of water, including a large former quarry lake and a dam from the old gunpowder factory.

