Fall is definitely in the air and along with it the gin clear, low flows of late summer in the Adirondacks. Fortunately, the cool nights have kept stream temperatures down and the brook trout have sought out the deeper lies for refuge. Last night I checked on a small stream that I haven't visited yet this season. After a quick check of the temp (64F), I hiked to a pair of spots that held fish last season. As daylight faded into the soft light of a full moon, I found a few brook trout willing to chase a tan caddis in the dark. It was nice to know that the brook trout population in this little gem was still hanging on.