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?
In the 1960s, astronauts practiced for the first lunar landings on cinder fields in and around Sunset Crater Volcano National Monument