Baetis – Bighorn River Hatch Information

Baetis – Bighorn River Hatch Information

October 17, 2010 3:13 pm Published by

Blue Winged Olive Hatch Information

Blue Winged Olives – Bwo’s are the most significant mayfly hatch on the Bighorn River.  April and May are the primetime for baetis hatches and again in the fall. The Spring BWOs are size 16-20.  The Fall BWOs  are smaller–18, 20, 22.
Spring Hatch: April – June Fall: September – October

Bighorn River Fishing Tip: Imitating the BWO swimming nymphs is just as important as fishing the more visible duns.

Read More: Blue Winged Olives of Spring and Fall

big horn river fly fishing

Baetis Dun


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This post was written by Bighornangler

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