Places-In -Central- California To Visit

Devi'ls Postpile was established in 1911 as a national monument.

The wall is named for its looks and how it was formed.

It's a wall of rock that from the fiery hot lava. flow that started it all

The lava cooled and hardened into basaltic rock columns.

Basalt (buh-SAWLT) is a hard, dark volcanic rock.

The 798 acres of dark volcanic rock is sturdier than any wall made from

man-made materials. This is a great place to visit on the way to

Yosemite National Park it's about 30 miles east from there.

The columns look like tall posts packed closely together.

Sometime after the lava cooled, forming the columns

at Devil's Postpile, glaciers moved over the area.

They cleared away the surrounding earth and exposed the columns.

Covered from top to bottom with ice, the wall was polished by the glaciers, which eventually melted.