Daoulas (Blavet)
| Daoulas | ||
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| Data | ||
| Water code | FR : J5404400 | |
| location | France , Brittany region | |
| River system | Blavet | |
| Drain over | Blavet → Atlantic Ocean | |
| source | in the municipality of Saint-Mayeux, 48 ° 17 ′ 12 ″ N , 2 ° 59 ′ 40 ″ W |
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| Source height | approx. 225 m | |
| muzzle | east of Gouarec in the Blavet Coordinates: 48 ° 12 ′ 44 " N , 3 ° 7 ′ 46" W 48 ° 12 ′ 44 " N , 3 ° 7 ′ 46" W |
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| Mouth height | approx. 125 m | |
| Height difference | approx. 100 m | |
| Bottom slope | approx. 5.3 ‰ | |
| length | 19 km | |
The Daoulas is a French river in the Côtes-d'Armor department , in the Brittany region . It rises north of Saint-Mayeux and flows 19 kilometers east of Gouarec as a left tributary into the Blavet . Just before its mouth, it breaks through a ridge and forms the imposing Gorges du Daoulas gorge .