Satellite map of Esla (river)
The Esla is a river in the provinces of León and Zamora in the northwest of Spain. It is a tributary of the Duero River that starts in the Cantabrian Mountains and is 275 kilometres (171 mi) long. Its direction of flow is from north to south.
Latitude: 41° 35' 17.59" N
Longitude: -5° 58' 27.66" W