Range | Water Level | Difficulty | Comment |
0 - 600 cfs |
extremely Low-somewhat Low |
I-II(III) |
Likely too low for enjoyable whitewater (Possibly 0-150 cfs in W.Twin). Lower reach OK as a float trip. |
600 - 800 cfs |
somewhat Low-barely Low |
I(II) |
Likely a scrape-down level (Possibly 150-200 cfs in W.Twin). Could be done, but won't be fun. |
800 -1200 cfs |
barely runnable-med runnable |
I-II |
Likely low-boatable. (Possibly 200-300 cfs in W.Twin) (Correlation not assured.) |
1200 -1600 cfs |
barely runnable-med runnable |
I-II(III) |
Likely low/moderate. (Possibly 300-400 cfs in W.Twin) (Correlation not assured.) |
1600 -2000 cfs |
med runnable-a bit pushy runnable |
I-II(III) |
Likely moderate level. (Possibly 400-500 cfs in W.Twin) (Correlation not assured.) |
2000 -3000 cfs |
med runnable-a bit pushy runnable |
I-II+(III) |
Likely moderate/high-moderate. (Possibly 500-750 cfs in W.Twin) (Correlation not assured.) |
3000 -4000 cfs |
a bit pushy runnable-high runnable |
I-II(III) |
Likely a bit 'juicy' (Possibly 750-1000 cfs in W.Twin) (Correlation not assured.) |
4000 -6000 cfs |
somewhat High-somewhat High |
II-III+ |
Likely 'meaty' flows. (Possibly 1000-1500 cfs in W.Twin) (Correlation not assured.) |
6000 -9999 cfs |
somewhat High-extremely High |
II-III+ |
Almost certainly VERY 'meaty' flow (perhaps 1500+ cfs in W.Twin) (Correlation not assured.) |