They are landforms.
Mountains, hills, and valleys are landforms because they are natural features of the landscape. Oceans and continents are of the highest class of landforms.
landforms
Florida's Landforms are mountains, hills, lakes, and plains
valleys, hills, mountains, plateaus, cliffs, canyons, and valleys
Landforms
Michigan's landforms are hills, mountains, and inland swamps.
the major landforms are mountains and hills
Landforms that you may find in mountains and plateaus would be valleys and hills. These are also landforms.
Mountains and hills
Landforms
Mountains Valleys Hills Plains
The major continental landforms are mountains, hills, plains, and plateaus.