Colorado Fishing Reports & River Flows

November Fly Fishing Outlook – Denver Front Range

November marks the transition from fall to winter fly fishing across Colorado's Front Range. Colder nights, shorter days, and occasional snowstorms begin to influence water temperatures and trout behavior. While fishing opportunities on higher-elevation freestone rivers become more limited, our South Platte tailwaters should continue to provide dependable fishing throughout the month. Anglers who adjust their timing, slow their presentations, and focus on the warmest parts of the day can still enjoy some excellent fishing.

Deckers, Cheesman Canyon, Eleven Mile Canyon, and the Dream Stream will remain among the most consistent options as colder weather settles in. Late-season Blue-Winged Olive (BWO) hatches can still produce good fishing, particularly on overcast afternoons early in the month. As water temperatures decline, midges become increasingly important, along with small Baetis nymphs, RS2s, Barr Emergers, Black Beauties, and Zebra Midges. Trout will gradually shift away from faster riffles and begin concentrating in deeper runs, slower seams, and pools where they can conserve energy.

The Blue River below Dillon Reservoir and the Williams Fork below Williams Fork Reservoir should also offer opportunities thanks to their cold, regulated flows. On freestone rivers such as the Arkansas, Clear Creek, Eagle, and Upper Colorado, fishing will become more dependent on weather, elevation, and daily water temperatures. Warmer afternoons may produce short feeding windows, while extended cold spells can slow activity considerably. Nymphing will generally be the most consistent approach, although small streamers can still produce when conditions are favorable.

Brown trout spawning activity remains an important consideration throughout November. Anglers should avoid targeting actively spawning fish and stay clear of redds, which appear as lighter, freshly cleaned patches of gravel in shallow water. Many trout will also be recovering from spawning, making careful handling especially important.

Overall, November offers a quieter and more technical fishing experience across the Denver Front Range. Fishing during the late morning and early afternoon, using smaller flies and lighter presentations, and concentrating on stable tailwaters will generally provide the best opportunities. With fewer anglers on the water and beautiful late-fall scenery, November can be a rewarding month for those willing to adapt to changing conditions.

Check out our detailed report by river below. Feel free to select your favorites by clicking the star next to the river.