Beaver dams don't seem to slow trout down.
Been up stream of many beaver dams to catch some beautiful fish.
When the water is high or in spring run off they get the chance to make their way up stream.
Trout and other fish species are very resilient at living the water systems.
Not much of obstruction can slow them down unless water leaves are low, very low that is.
This is some of what I've noticed over the years, another thing is I notice less trout in areas where I venture in Alberta, have had better fishing success in most of BC.
Don
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