Apung Iru Fluvial Festival is an annual celebration held in Apalit, Pampanga every June 28-30. It is also the feast day of the town's Patron, St. Peter. The local term “Apung Iru” refers to the image of St. Peter.
Every year, devotees in the town of Apalit holds a colorful fluvial procession or Apung Iru Fluvial Parade. It is the most awaited activity of the celebration.