Between mountains; as, intermontane soil.

Literally, "between mountains." The location can bestow certain qualities of natural protection or isolation to a community. De Blij, H. J., and Perter O. Muller; Geography - Regions and Concepts; John Wiley and Sons, Inc.; New York, Chichester, Brisbane, Toronto and Singapore; 1992; page 606.

Situated between or surrounded by mountains, mountain ranges, or mountainous regions; e.g. the Great Basic of the western United States, between the Sierra Nevada and the Wasatch Mountains.