Unless you have actually seen the trout, I suspect they have migrated into the cooler feeder streams OR into a spot that has feeder springs with cool water.
Originally Posted by adkmountainken
I fish a river that has a small feeder from a spring. It is hidden by cover and looks like an area of slack water and yet that side of the river is 6 degrees cooler than the other side. The trout stack up below that inlet.
"Discovery consists of seeing what everybody has seen and thinking what nobody has thought"..........Szent-Gyorgy