South Platte River - Hatch Chart

If you find yourself fishing the South Platte River from its headwaters near South Park, CO down through the Denver, you may find this hatch chart coming in handy. This hatch chart includes hook sizes to help you plan and be successful on its various tailwaters like The Dream Stream, Eleven Mile Canyon, Cheesman Canyon, Deckers, Waterton Canyon on through Denver. 

Depending on river flows, temperature and various weather conditions, the hatches in this chart could arrive a bit earlier or later. However, most of these are tailwaters and the water temp tends to stay consistent

South Platte River Hatch Chart

(Includes Hatch Timing & Typical Hook Sizes)

Insect Hatch
(Hook Size)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Midges
(#20–26)
Blue Winged Olive (BWO)
(#16–24)
Pale Morning Dun (PMD)
(#16–20)
Trico
(#18–26)
Caddis
(#14–20)
Golden Stonefly
(#8–10)
Yellow Sally
(#12–18)
Green Drake
(#10–12)
Terrestrials (Hopper, Ant, Beetle)
(#10–16)