Rincon Band of Luiseño Indians Tribal Council and Pechanga Band of Indians … while the Pechanga Indian Reservation covers roughly 7,000 acres in Temecula Valley. Both tribes are two of six …Rincon Band of Luiseño Indians Tribal Council and Pechanga Band of Indians … while the Pechanga Indian Reservation covers roughly 7,000 acres in Temecula Valley. Both tribes are two of six …