The greatest thing about fishing the Clarion River is when you set that hook you can never be 100% positive of what is on the other end ... especially drifting night crawlers
I have never fished the area the guys above are talking about for walleyes.. but what they are telling you is the same thing I have heard.. I just never venture that far away from home
I have landed walleyes near Hallton and even up as far as Portland MIlls... here's one of them