General Safety Information. Burned Areas Because a wildfire burned through parts of Forest Canyon, Spruce Canyon, trails in the Fern Lake - Cub Lake area as well as Moraine Park, there are potential hazards to be alert for including: falling trees & limbs - especially during periods of wind, unstable slopes & rolling material such as logs and rocks, burned out stump holes, areas that may still be smoldering or burning and bridges or other trail structures that may be damaged.