Storms can arise quickly. If there's lightning, take cover.
Watch where you walk - lava is sharp, brittle, and unstable; cinders can be slippery underfoot. On either surface, a fall is an unpleasant experience.
This is dry country. Carry water with you and in your vehicle.
Speed limits are reduced for the protection of pedestrians and wildlife. Please watch for both.
Did You Know?
Hiking trails to the top of Sunset Crater Volcano were closed in 1973, because extensive erosion was damaging the cinder cone. Although tons of cinders were shoveled into the ruts, trail routes are still visible today.