Definition of "intermontane"

The distinct types of relief include regions of high mountains, low hills, dissected plateaus, intermontane valleys, and coastal swamps.

1915, Albert Gardner Robinson, Cuba, Old and New‎

Later, the discoveries of rich "pocket" deposits in the Red Butte district lifted the intermontane hill country temporarily to the high plane of a bonanza field.

1916, Francis Lynde, The Taming of Red Butte Western‎

Sediment infilling, bathtub-like, of dammed intermontane basins formed flat high plains at each step.

2001 November 23, Paul Tapponnier et al., “Oblique Stepwise Rise and Growth of the Tibet Plateau”, in Science‎, volume 294, number 5547, pages 1671–1677