Campeonato Descentralizado 1977

The 1977 Torneo Descentralizado, the top category of Peruvian football (soccer), was played by 16 teams. The national champion was Alianza Lima.

The season was divided into 3 stages. The Preliminary Tournament contested in two groups (home and away matches plus 2 inter-group matches); each group winner qualified for the Championship Group. The second stage was the Descentralised (league tournament); the top 4 qualified for the Championship Group and the bottom two played for relegation. Championship Group was contested by 6 teams in home and away matches; teams carried their Descentralised Tournament record. Although finishing fifth in Descentralised, Universitario qualified for Championship Group, as Alianza had already qualified in Preliminary Tournament. Municipal and Cienciano played a third relegation playoff on a neutral ground, as each team won one match after home and away matches.

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