Visual. Flows of around 500 cfs are good. The Satsop gauge near Satsop gives you some indication of what's happening in the basin. A minimum flows is right around 4000 cfs on this gauge and the run is best after heavy rain. The Middle Fork runs about 20% of the Satsop gauge and this upper section is slightly less than that.
Reports give the public a chance to report on river conditions throughout the country as well as log the history of a river.
|> 10 years||@Satsop, Middle Fork 1. Walter Creek to Baker Creek (Upper Upper) [WA]||scenic canyons on the Middle Satsop||0 cfs||Thomas O'Keefe|