Pinnacle FireThe Pinnacle Fire was a wildfire that started near Safford, Arizona on June 10, 2021. The fire burned and was fully contained on July 16, 2021.EventsJuneThe Pinnacle Fire was first reported on June 10, 2021, at around 12:00 pm MST.CauseThe cause of the fire is currently unknown and is under investigation.ContainmentOn July 16, 2021, the Pinnacle Fire reached 100% containment.