We just had a positive report for Baum from a local fly fishing guide on our message board.
Winter can be very good on Baum Lake. It is nice to have a small boat or pontoon boat now with an anchor or two. Look for #18/20 Baetis to be coming off especially on overcast days now. Midges will be active. Try a small attractor fly on a clear slow sinking line like a small #12 leech, wooly bugger or shaggy nymph in black, brown or olive. There are some real hogs in there.