The Titanic director has spent a small fortune on a series of elaborate precautions to make sure he doesn't become the next celebrity to lose property to a blaze.
Cameron has built his own pump house and now owns his own fire truck, which is parked on his estate.
He tells the New Yorker magazine, "We have a big fire problem here. We take the pool water, mix it with Class A foam, and pump it out over the whole property. Everybody else just runs for the hills.
"We sit and wait. Put on our yellow coats and our breathing gear and wait."
And the blockbuster movie mogul admits he's quite impressed by the damage the elements can do: "When these hills light up with a hundred-foot-tall wall of flames coming over the top of the hill there, you feel like it’s Armageddon."
In recent years, actors Suzanne Somers and Christopher Lloyd have lost their multi-million dollar homes to California wildfires.