Henrys Fork Fishing Report – (9.7.26)

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Lower River: As summer fades into fall, the cooler days and nights have really helped the lower Henry’s Fork. Cloudy and overcast days are going to be you best friend with BWOs and Mahoganies. Don’t put the Terrestials away just yet, they will continue to stay important through the warm and sunny days of the beginning of fall. Indicator rigs as well as streamers can be productive this time of year on the lower river. Dry dropper rigs are still producing some good action in the Warm River to Ashton stretch of the river. These conditions should continue has flows stay higher than average coming out of Island Park Dam.
Upper river: Flows are around 1,210 cfs and those were increased last week. These flows continue to make floating and fishing productive in the Box Canyon but we are going to see some serious turbidity in the river due to the low pool in Island Park Reservoir. Nymphing continues to be the name of the game but don’t rule out the dry dropper rig too. Rubberlegs paired with technical tailwater fare will be productive in the Box Canyon with the current flows. Change depths and different weight to dial in the game. Dry Dropper, nymphing and streamers can continue to be productive in the Riverside and Hatchery Ford areas and don’t rule out Lower Mesa! Expect better clarity an conditions below Mesa Falls. These higher flows are bringing lots of fun to these stretches during late summer and early fall. Expect challenging conditions on the Ranch with increased flows and turbidity. Look for leftover PMDs, Calibaetis as well as early Mahoganies and BWOs to be the name of the game. Throw some terrestrials in your fly box too. Be ready for true headhunting style fishing – stealthy approach, long leaders, light tippets and thin sparse CDC patterns imitating the bug hatches above.
Henry’s Fork Fishing Resources:
Henry’s Fork Fishing Regulations – Upper Snake River Region
Purchase your Idaho Fishing License Online
Purchase your Idaho AIS Boating Decal Online
Henry’s Fork Shuttles – Yellow Sally Shuttles – (208)-821-0906


