The Southwestern portion of the state is the location of the Ozark mountains. These are low-lying mountains, not of grand scale as are the Rockies or Appalachains.
It is western
Western part of Montana.
The western part of Montana has more mountains than the eastern part.
western
Eastern MT
The western part. The eastern part is mostly just rolling plains. The western part is where the Rocky Mountains are.
Western Montana.
western
That would be western Montana.
western part of Colorado! like duh
Western Colorado, eastern Colorado is plains/grassland.
west