I called Nor Cal guides and instructors, Lincoln and Lance Gray, up at Lake Almanor today.

They said the Hex hatch started a few nights ago.

This is the biggest mayfly in North America.

The nymphs start to wriggle up from the silty bottom of Almanor in the late afternoon.

They said it could go for the next 30 days.


Sadly the fly shop in Chester has closed.

If you are up there and need some flies Lincoln and Lance have a good supply at their cabin.

530/517-2204