Almourol is an

islet An islet ( ) is generally a small island. Definitions vary, and are not precise, but some suggest that an islet is a very small, often unnamed, island with little or no vegetation to support human habitation. It may be made of rock, sand and/ ...

in the

Tagus river The Tagus ( ; ; ) is the longest river in the Iberian Peninsula. The river rises in the Montes Universales between Cuenca and Teruel, in mid-eastern Spain, flows , generally westward, and empties into the Atlantic Ocean in Lisbon. Name T ...

, in the Portuguese

civil parish In England, a civil parish is a type of administrative parish used for local government. It is a territorial designation which is the lowest tier of local government. Civil parishes can trace their origin to the ancient system of parishes, w ...

of Praia do Ribatejo, Oeste e Vale do Tejo region. The small island lies in the middle of the Tagus, a few

kilometres The kilometre ( SI symbol: km; or ), spelt kilometer in American and Philippine English, is a unit of length in the International System of Units (SI), equal to one thousand metres (kilo- being the SI prefix for ). It is the preferred measur ...

below its confluence with the

Zêzere River The Zêzere () is a river in Portugal, tributary to the Tagus. It rises in the Serra da Estrela, near the '' Torre'', the highest point of continental Portugal. The Zêzere runs through the town Manteigas, runs through Belmonte, passes south of ...

. The

castle of Almourol The Castle of Almourol is a medieval castle atop the islet of Almourol in the middle of the Tagus River, located in the civil parish of Praia do Ribatejo, from the municipal seat of Vila Nova da Barquinha, in Portugal's Oeste e Vale do Tejo re ...

, a Portuguese National Monument, dominates the islet. It stands near the town of Tancos.

References

Islands of Portugal Tagus River islands of Europe {{Europe-island-stub