Website:
http://visitmt.com/categories/moreinfo.asp?SiteID=1&IDRRecordID=3737 (Website)

Description:
The river is 59 river miles from Camp Baker (put-in) to Eden Bridge (take-out). On average, floaters take 4 days to float. A minimum of two nights and three full days should be planned for normal water levels, which is 300+ cfs. From June 10 through July 10 floaters are restricted to 4 nights maximum stay on the river once they launch.