Arn (river)
| Arn | ||
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| Data | ||
| Water code | FR : O43-0430 | |
| location | France , Occitania region | |
| River system | Garonne | |
| Drain over | Thoré → Agout → Tarn → Garonne → Atlantic Ocean | |
| source | in the municipality of Fraisse-sur-Agout 43 ° 34 ′ 14 ″ N , 2 ° 46 ′ 42 ″ E |
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| Source height | approx. 1000 m | |
| muzzle | at Mazamet , in the Thoré coordinates: 43 ° 30 '13 " N , 2 ° 23' 22" E, 43 ° 30 '13 " N , 2 ° 23' 22" E |
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| Mouth height | approx. 215 m | |
| Height difference | approx. 785 m | |
| Bottom slope | approx. 14 ‰ | |
| length | 56 km | |
| Reservoirs flowed through | Retenue de Fontcontal , Lac des Saints-Payres | |
The Arn is a river in France that runs in the Occitania region . It rises in the Monts de l'Espinouse , in the municipality of Fraisse-sur-Agout , generally drains in a south-westerly direction through the Haut-Languedoc Regional Nature Park and, after 56 kilometers, flows into the Thoré as a left tributary at Mazamet . On its way, the Arn crosses the Hérault and Tarn departments .