A deep valley with very steep sides - often carved out by a river

A low place between mountains (where they meet)

Land formed with a flat area on top and steep walls

low, bowl shape land with higher ground around it

A natural stream of water flowing in a definite course or direction

A dry, barren region where only a few kinds of plants can grow

A flat land along the coast of the Atlantic Ocean

A vent in the earth's crust through which lava, steam, and ashes are expelled.

A string of mountain ranges along the Pacific coast

A long-lasting, slow moving river of ice on land

Land that is surrounded by water

A large, flat area of land that is higher than the surrounding land

A body of land that is surrounded by water on 3 sides

A group of connected mountains (high elevation of land)

Flat land that have only small changes of elevation