This hatch chart is a generalization of the hatchs in the Roaring Fork Valley, actual hatchs vary. Contact either Roaring Fork Anglers or Alpine Angling for actual hatch activity.
Fly |
Size |
Jan
|
Feb
|
Mar
|
Apr
|
May
|
Jun
|
Jul
|
Aug
|
Sep
|
Oct
|
Nov
|
Dec
|
| Midges | 18-24 | X |
X |
X |
X |
X |
X |
X |
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| Blue Winged Olives | 16-20 | X |
X |
X |
X |
X |
X |
||||||
| Caddis | 10-18 | X |
X |
X |
X |
X |
X |
X |
|||||
| Yellow Sallies | 14-16 | X |
X |
X |
|||||||||
| Pale Morning Duns | 14-18 | X |
X |
X |
X |
||||||||
| Red Quills | 12-16 | X |
X |
X |
X |
||||||||
| Green Drakes | 10-14 | X |
X |
X |
|||||||||
| Golden Stoneflies | 8-12 | X |
X |
X |
X |
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| Salmonflies | 6-10 | X |
X |
X |
|||||||||
| Hoppers | 6-14 | X |
X |
X |
|||||||||
| Ants & Beetles | 14-18 | X |
X |
X |
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| Streamers | 2-12 | X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |
X |