South Fork & Henry's Fork Fishing Reports

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Main Stem Snake River

Jimmy's All Seasons Angler / Main Stem Snake River (Page 7)

Main Stem Snake River 8-21-10

The best time to fish the river is approaching. For sure float fishing is the best method, but with dropping flows walk-in locations abound.   Caddis are active in evenings.  Terrestrial insect are abundant and because of increased agricultural activities will be on the move.  Fishing streamers at twilight makes for a great chance at large fish.   So consider putting the river on your “must try” list. We can help you choose a location.


Mainstem Snake River 8-17-10

A great place to try the river now is around Blackfoot and the Tilden Bridge areas. The flow here is around 2200 cfs meaning that wading is a safe option. Evenings are the best time to be on the river as trout will be chasing the caddis hatch and  large trout will chase baitfish in the shallows along sheltered areas.  Some action can also be found during early AM spinner falls.   At the Shelley Interstate-15 connector flows are still around 4500 cfs, but some walk-in fishing is possible especially about a mile below the connector downstream to Cook’s Diversion.  Grassy banks and undercuts will be the best places to find fish looking for terrestrial patterns. No doubt the best way to enjoy the river, however, is through a float trip.  Get in touch with us; we can help you choose a section to try.


Main Stem Snake 8-07-10

The river is coming on strong as flows drop.   Walk-in places abound from Menan to the McTucker area just above American Falls Reservoir.   Get in touch with us to select one that fits your schedule and location.  Several sections of the river offer great float trips, and we can help you select one of these.  Even though it is late in the season , the river offers some mayfly hatches as well as fishing through caddisflies, sallys, and terrestrials.  But the river is best known for streamer fishing, especially during the late and early hours.


Mainstem Snake River 7-31-10

As irrigation demands decrease, water levels will stabilize making for more consistent fishing here. Streamer patterns remain the bread & butter patterns, but PMD emergences continue to bring action in riffles. With hopper populations beginning to build, fishing tactics that work on the South Fork work here. See Tim Woodard’s 7/26 report for the South Fork and use the thoughts he offers for fishing the main stem river. After all; the South Fork and the main stem Snake are the same streams!


Main Stem Snake River 7-22-10

Beginning to shape up as flows drop. Streamers are still the name of the game, especially during evenings. But during that time of day caddis and a few PMDs offer some surface action.  As we move through August, look for fishing to pick up considerably.


Main Stem Snake River 7-15-10

The main stem from Idaho Falls down to American falls has dropped to normal summer levels. The water is clear and is this stretch of river offers some great streamer fishing and even some caddis and pale morning dun hatches.

Access is somewhat limited if you don’t have a boat but there is some access near bridges or adjacent roads. When streamer fishing we like to use a type VI 15 foot sinking tip or150 to 200 grain 24 foot tip. Fish the deeper runs and and around any log piles or structures. Also fish the slower inside bends that are 4 to 6 feet in depth. They don’t look productive but fish through them quickly because sometimes trout move into these areas  to chase minnows.


Main Stem Snake River 7-09-10

With flows dropping this great river is shaping up nicely.  Streamers remain very effective, especially in low light conditions, but now fish will take caddis life cycle patterns.  BWOs are also present, and soon  PMDs will emerge from some gravel bars along the river.