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GPS:39.478269; -7.995652
Hydrographic basin:62 802 km2
Max depth:30 m
Full capacity:12 500 000 m3
Year of construction:1952

Fish species

  • Pike
  • Carp
  • Chondrostoma polylepis
  • Wels Catfish
  • others


This dam is located in the middle of the biggest river in Iberian Peninsula, the Tejo river. Last years was noticed the increasing of some exotic species which are destroying the native species, as an example, the “Siluro”. Currently some scientist’s teams are studying the impact of this new exotic species at the habitat. These studying teams introduced some gadgets in a few gatfish in order to get to know their habits and moves.