Bitterroot River levels in June 2012 by Merle Ann Loman | Jun 15, 2012 | Bitterroot, i Spring, ii Summer, Streamflows and snowpack info | The river is big and fairly fast, but also pretty clear and fishing. Watch out for new hazards such as down Cottonwood trees. Below the charts is a slideshow of photos from the middle Bitterroot on June 11.