Fall River is good in all sections, but the hatchery up to the headwaters seems to be the best. The PMD and Green Drake hatch is on, and don’t forget BWO, Caddis, Ant’s, Beetles and Midges. 
We’ve had our best days on Euro Jigs and Euro style streamers. But when the hatch is on there has been some decent dry fly action. 
One of the things I hate about the new trophy fish ODFW stocks in the Fall is they are not particularly good rising trout. The essence of the Fall River has always been that 10″ to 15″ trout that rises to a good hatch, and that is missing now. I have been asking ODFW to balance the stocking with some of the smaller fish too, as I think that is an important part of the experience out there. They are increasingly receptive to it.