sentences:  The drainage basin for the Lochsa River system covers in Idaho County.The river is fed by the melting of the significant snowpack of the Bitterroot Range, among the highest precipitation areas 
  
  The Lochsa River begins at the confluence of Crooked Fork and Colt Killed Creek (also called White Sand Creek) near the Powell Ranger Station in northeastern Idaho and flows southwest to the village of Lowell.Running parallel to U.S. Route 12 for its entire length, the river winds through the Clearwater National Forest in the Bitterroot Mountains.