Tags: Mountain Range.
This article is about the entire Bitterroot Range. For the Bitterroot Mountains see its section below or the Bitterroot Mountains article.The Bitterroot Range is a mountain range and a subrange of the Rocky Mountains that runs along the border of Montana and Idaho in the northwestern United States. The range spans an area of 24223 square miles (62740 km2) and is named after the bitterroot (Lewisia rediviva) a small pink flower that is the state flower of Montana.
