Lena (Lis)
| Lena Rio Lena | ||
|  | ||
| Data | ||
| location | Leiria District ( Portugal ) | |
| River system | Lis | |
| Drain over | Lis → Atlantic Ocean | |
| source | Serra de Aire | |
| muzzle | at Leiria in the Lis coordinates: 39 ° 44 '58 "  N , 8 ° 49' 42"  W 39 ° 44 '58 "  N , 8 ° 49' 42"  W. 
 | |
| length | 20 km | |
The Lena is a river in Portugal with a length of 20 km. It rises in the Serra de Aire ridge , which is part of the Parque Natural das Serras de Aire e Candeeiros . The area belongs to Porto de Mós, a municipality in the Leiria district . From there it flows north through Brancas and Batalha . In the west of the urban area of Leiria it flows into the Lis River .

