Rio Tejo

The longest river in the Iberian Peninsula, with 1009 kilometres. It starts in Spain, more precisely in Albarracim, at an altitude of 1593 metres, and flows to the Atlantic Ocean. Its estuary has around 262 sqaure kilometres, in the area of São Julião da Barra. It borders Spain in an extension of 50 kilometres. It has several tributaries, which lends it specificity and beauty.


Monte do Duque


  • Water resources
  • car access

Natural Resources near Rio Tejo

Barragem do Fratel

Gravity type dam located in the tightest Tagus gorge, between Portas de Rodão and the mouth of the Ocreza River. It has docks, anchorages and access ramps. The…

Barragem do Poio

A reservoir on the Nisa Brook, on the Tagus river basin, near the Senhora da Graça (Our Lady of Grace) Hill and the ruins of Nisa-a-Velha (Old Nisa). It has a …

Rio Sever

Starting to the north of the São Mamede Hill, this river separates Portugal and Spain and totals 40 kilometres, a part of which are shared by both countries. I…

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