1st. what kinda boat you got?
2nd. 1400 cfs. or higher is good.
3rd. the place that charges is helen clapp, named for the big tree.
4th. nolans is a lil tricky to find but here goes.
About three miles south of the hoh on 101 there is a no name creek, lil bridge and a rock pile on the west side of 101. take that road back to nolans bar. Huge river bar, about a mi. long.
5th. search for realtime river flows.
Hope this helps.