Rock falls and mudslides can be triggered by freezing
temperatures followed by rainy thaws, according to the
National Weather Service office in Jackson. Rain gets
down into the cracks and freezes, then it expands and
loosens the rocks.
Always check Current Conditions to find out if there are any road or trail closures where you plan to visit.
When a forest service road experiences a rock slide, the road is closed until it's safe for travel. If you see fallen rocks or a rock slide that looks dangerous, contact the nearest district office.
During rainy and freezing conditions, use extra caution and go slow on forest roads so you have time to react.