Northern California Area Closings Due to Fires. (Posted Early This Morning} Forest Closures: The Shasta-Trinity, Klamath and Six Rivers National Forests have issued an order closing the Trinity Alps Wilderness through November 15, 2021. Trails and recreational areas are all closed. The Klamath and Six Rivers National Forests have closed the Marble Mountain and Russian Wildernesses and the forest within the Salmon/Scott River Ranger District. All roads, trails and recreation areas are closed to the public through September 15, 2021.