Pack River
river in Idaho
The Pack River offers both resident fish and larger migratory fish from Lake Pend Oreille. It's a relatively unpressured river with beautiful scenery and good wading opportunities.
October Caddis hatch is a major fall event
- 01October Caddis hatch is a major fall event, offering good dry fly action.
- 02Blue-Winged Olive (BWO) and Pale Morning Dun (PMD) hatches are active, especially on warmer, overcast afternoons.
- 03Trout are keying into eggs as fall spawning activity occurs.
- 04Predatory Bull Trout are looking for larger food sources like stonefly nymphs and baitfish.
- 05Deeper pools, slower runs, and current seams are key holding lies for trout in cooling waters.
Past reports week by week
6 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
October Caddis
A major fall caddis hatch occurs on western rivers, providing an excellent dry fly opportunity for opportunistic trout.
Olive Woolly Bugger
A versatile and reliable streamer pattern, imitating leeches and baitfish, effective for enticing aggressive strikes from predatory trout in colder fall waters.
Blue-Winged Olive Comparadun
Blue-Winged Olive (BWO) hatches are common in the fall, particularly on overcast days, making this low-profile dry fly effective for selective trout.
White Streamer
White streamers are effective at depth, imitating juvenile fish which provide a significant calorie source for predatory Bull Trout.
PMD (Pale Morning Duns)
Pale Morning Duns are actively hatching in fall, providing a key food source for opportunistic feeders.
Mahogany Dun
Late summer and fall often see hatches of Paraleptophlebia (Mahogany Duns), providing additional dry fly opportunities for rising trout.
Buy at AmazonBlood Dot Egg
Fall is the egg season, and trout will key into dislodged eggs, making this a highly effective subsurface pattern.
Buy at AmazonTungsten Bead Pat's Rubber Legs
Large stonefly nymphs are a consistent food source year-round, and this weighted pattern is excellent for getting deep to larger, predatory trout and Bull Trout in cooling water.
Buy at AmazonWhere to fish and who to ask
Game Preserve Section
Access within the Pack River Delta Wildlife Management Area, offering diverse fishing.
Pack River Road Bridge
Easy access point with public land nearby, popular during migratory fish runs.
Fly shops within 40 miles
Long Drift Outfitters
Northwest Outfitters - Orvis Northwest Outfitters
Get Pack River reports by email
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Idaho season by season
What changes on the water through the year, with the flies for each season.
Read before you go
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Best Fly Fishing Waders of 2025 – Breathable vs. Neoprene
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Best Fly Fishing Sunglasses: Lens Color & Polarization Guide
Master lens color selection and polarization technology for superior vision and fish detection on the water.
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Best Budget Fly Fishing Combo Setups for Beginners
Expert guide to affordable fly fishing combos that won't break the bank but deliver quality performance for new anglers.
Quick answers
Common questions about Pack River.
What flies work best on Pack River?
Our top scored fly patterns for Pack River right now are Yellow Sally (80% confidence), Flying Ant (80% confidence), Tunghead Hot Spot Pheasant Tail Jig (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Pack River?
Pack River holds Westslope Cutthroat Trout, Rainbow Trout, Bull Trout. See the species links on this page for fly recommendations and seasonal behavior for each.
What are current flow conditions on Pack River?
Live USGS streamflow readings for Pack River are charted in the sidebar of this page and updated automatically from the nearest gauge.
Is Pack River fishing well right now?
We publish a fresh bite report for Pack River each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.