The Tree of the Year (Portuguese: Árvore do Ano) competition is held every winter in Portugal.
[1] The contest is held by the Environmental Partnership Association (EPA), an organization supported by the European Land Owners Association and the European Commission.
[1] Portugal won the European Tree of the Year award in 2018 with the Sobreiro Monumental.
[3] Portugal has had 8 national winners, one of whom has also won at the continental level.
[8] As of 2025 all of Portugal's winner trees are from different districts, one from Braga, Vila Real, Viseu, Coimbra, Portalegre, Évora, Setúbal and Beja, in the municipalities of Guimarães, Vila Pouca de Aguiar, Sátão, Coimbra, Portalegre, Arraiolos, Palmela and Mértola, respectively.