Portugal was represented at the Eurovision Song Contest 1971 with the song "" (lit. "Girl from the top of the mountain"), composed by Nuno Nazareth Fernandes, with lyrics by Ary dos Santos, and performed by Tonicha. The Portuguese participating broadcaster, (RTP), selected its entry at the 1971.
(RTP) held the 1971 at the in Lisbon on 11 February 1971, hosted by Ana Maria Lucas and Henrique Mendes. Nine songs took part in the final. Jorge Costa Pinto conducted all the songs. The results were determined by a distrital jury, composed by three members, each had 5 votes to be distributed among the songs it intended to award, making a total of 15 votes per district.
On the night of the final Tonicha performed 15th in the running order, following Netherlands and preceding Yugoslavia. At the close of the voting the song had received 83 points, coming 9th in the field of 18 competing countries, at the time Portugal's highest Eurovision finish.
The orchestra during the Portuguese entry was conducted by Jorge Costa Pinto.
Each country nominated two jury members, one below the age of 25 and the other above, who voted for their respective country by giving between one and five points to each song, except that representing their own country. All jury members were colocated at the venue in Dublin, and were brought on stage during the voting sequence to present their points. The Portuguese jury members were Pedro Albergaria and LuÃÂs Filipe Costa.