Big Thompson Canyon, Colorado Flood

July 31, 1976


  • The water rushed into the canyon from the Rocky Mountains.
  • Rain started and after a couple of hours, it was up to 12 inches.
  • The river


  • Left 144 people dead.
  • Left $35.5 million dollars in damages.
  • People were washed away because the water speeds were very high.
  • Destroyed and damaged more then 500 houses.