See G. Amaral, Idaho: the Whitewater State (Watershed, 1992).
Lat/Longitude data are very approximate.
Scott England shared: After paddling the Upper Falls River run, it ought to have its gauge changed to the uppermost gauge [USGS 13046995 FALL RIVER AB YELLOWSTONE CANAL NR SQUIRREL ID] that was showing 1,000 cfs. This is the flow until a diversion dam, which is a half mile above the bridge at the end of the run. From the dam, paddlers can either portage left to paddle the remaining half mile when the river is high enough, or portage right and paddle the canal to the bridge. I think a good minimum flow for kayakers would be 600 or 700 cfs.
Great fun in rafts from 2000cfs and up. below 2000cfs to boney for rafts Mostly clss III with one class 4 a few miles in. line is on the right scout on river right due to possibility of wood in this drop. it's a pretty good slide. river left is a 10-15 ft vertical drop. A few miles below this is sheep falls a class IV+ or Class V+ depending on the channel you take. the main flow is pretty mankey ,however,the left channel isn't that bad it's a sloping drop most of the way with about 6-8 feet of vertical at the end. The left channel is hard to hit. if you miss it you will go into the heart of the mank. raft portage of this drop would be difficult.
below sheep falls there are two diversion dams. the first is no problem the second could be but is easily portaged. I always run it. Also at 2000cfs or above there are some really good kayak playspots. sheep falls is photo worthy.
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