Cabril Dam (Portuguese: Barragem do Cabril) is a concrete double curvature arch dam on the Zêzere River, where the river forms the border line between the districts of Castelo Branco and Leiria. It is located in the municipality Sertã, in Castelo Branco District, Portugal.Construction of the dam began in 1950. The dam was completed in 1954. It is owned by Companhia Portuguesa de Produção de Electricidade (CPPE).