A wildfire that's destroyed hundreds of structures in the town of Jasper, Alta., and continues to burn out of control in the national park could still be burning months from now, a Parks Canada official says.

"This fire is the largest one that Jasper National Park has recorded in the last 100 years," Landon Shepherd, a deputy incident commander with the federal agency, told a news conference on Saturday afternoon in nearby Hinton, Alta.

"We're going to be working on this wildfire, we expect, over…