The Shasta Trinity National Forest has issued a closure for the Mount Shasta Wilderness above 10,000 feet from April 23, 2020 through April 30, 2020. You can read the closure notice here, which includes a map of the closure area. As we understand it, the Forest Service will re-evaluate the closure and could extend it. If you are planning a trip to the effected area, be sure to contact the Forest Service regarding the closure notice.