Did a road ride w/ some dudes from work yesterday. We rode up Old Walland Road along the river and on up through Townsend to the Y (ca. 30 miles round trip).
There was a MASSIVE hatch going on from below Townsend on up to the Y. Fish were hitting them all over the place.
I didn't take the time to get a close look or pictures, but they appeared medium in size and yellowish... They were going off from about 6:30 until dusk.