The 1990 Torneo Descentralizado, the top tier of Peruvian football was played by 44 teams in the format of Regional Tournament. The national champion was Universitario.
Teams
Team changes
Stadia locations
Torneo Regional I
Zona Metropolitana
Zona Centro
Zona Norte
Tiebreaker
Zona Oriente
Zona Sur
Octagonal
Liguilla Final
Torneo Regional II
Zona Metropolitana
Zona Centro
Zona Norte
Group A
Group B
Regional Semifinals
Regional Final
Zona Oriente
Zona Sur
Octogonal
Liguilla Final
Extra match
Title Playoff
Aggregate tables (Regional I and Regional II)
Zona Metropolitana
Zona Centro
Zona Norte
Zona Oriente
Zona Sur
External links