Cottonwood Creek flows from cottonwood pass down to cottonwood lake just west of Buena Vista. After the lake is the best fishing, the creek flows from here into town, and eventually into the Arkansas River. Expect to find brookies and potential cutthroat in the upper reaches, and rainbows and browns below cottonwood lake.
With the majority of runoff now lower down in the system, flows are settling, and the water is clearing up. Fishing in these small tributaries right now should be very good.