Lathan
| Lathan | ||
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| Data | ||
| Water code | FR : L9110300 | |
| location | France , Center-Val de Loire and Pays de la Loire regions | |
| River system | Loire | |
| Drain over | Authion → Loire → Atlantic Ocean | |
| source | in the municipality of Ambillou, 47 ° 26 ′ 30 ″ N , 0 ° 24 ′ 39 ″ E |
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| Source height | approx. 100 m | |
| muzzle | below Longué-Jumelles in the Authion coordinates: 47 ° 23 '53 " N , 0 ° 11' 46" W 47 ° 23 '53 " N , 0 ° 11' 46" W |
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| Mouth height | approx. 20 m | |
| Height difference | approx. 80 m | |
| Bottom slope | approx. 1.4 ‰ | |
| length | 58 km | |
| Reservoirs flowed through | Retenue de Pincemaille | |
| Small towns | Longué jumelles | |
The Lathan is a river in France that runs in the Center-Val de Loire and Pays de la Loire regions. It rises in the municipality of Ambillou and supplies the water castle Champchevrier with water in its upper reaches . It then flows generally in a westerly direction and flows into the Authion as a right tributary after 58 kilometers below Longué-Jumelles . In its lower reaches, the Lathan crosses the Loire-Anjou-Touraine Regional Nature Park . In its entire course it touches the departments of Indre-et-Loire and Maine-et-Loire .