Portland, Ore. — Authorities in Oregon are trying to extinguish a fire burning in one of the world's tallest trees, near the state's southern coast.

The Doerner Fir, a coastal Douglas Fir tree over 325 feet tall and estimated to be over 450 years old, has been burning since Saturday in Coos County in Oregon's Coast Range. An infrared drone flight on Tuesday showed no active flames or smoke at the top of the tree, but it detected heat within a cavity in the tree's trunk some 280 feet up, federal Bureau of Land Management spokesperson Megan Harper said.

CBS Coos Bay, Oregon affiliate KCBY-TV says the tree has a diameter of 11.5 feet. The weather in the vicinity has been trending hotter and drier this week, the station says.

Figuring out how to approach the tree from the side to douse th

See Full Page