Big Creek
creek in Idaho
Access to Big Creek is typically via challenging trails or bush planes. It's a classic backcountry fishery where anglers can experience solitude and prolific dry fly action.
Conditions right now
No USGS gauge is linked to this water yet, so we can't chart flows.
Mild fall weather with clear skies (66°F)
- 01Mild fall weather with clear skies (66°F).
- 02No USGS flow data, but Big Creek is a remote mountain stream.
- 03Fall hatches of October Caddis and Mahogany Duns are active.
- 04Blue-Winged Olive hatches are also a possibility on overcast afternoons.
- 05Both Westslope Cutthroat Trout and Bull Trout are present and actively feeding.
Past reports week by week
9 weeksWhat to tie on
Picked from reports, hatches and the season. Tap a fly for the recipe and where else it works.
October Caddis (Dry)
Large October Caddis are a significant hatch in the fall on Western freestone rivers, offering opportunistic Westslope Cutthroat Trout a substantial meal.
Buy at AmazonMahogany Dun
Mahogany Duns (Paraleptophlebia) are a prevalent mayfly hatch in late summer and fall, providing dry fly opportunities for rising Westslope Cutthroat Trout.
Buy at AmazonBlue-Winged Olive Comparadun
Blue-Winged Olives are a consistent fall hatch, especially on overcast days. This low-profile dry fly is excellent for selective Westslope Cutthroat Trout feeding on emergers and adults.
Tungsten Bead Pat's Rubber Legs
Large, weighted stonefly nymphs are a year-round food source. This pattern is essential for getting deep into runs and pockets where both Westslope Cutthroat and Bull Trout forage.
Buy at AmazonFlashback Pheasant Tail Nymph
A highly versatile and effective general searching nymph, mimicking various aquatic insects year-round. It's a staple for subsurface feeding Westslope Cutthroat Trout.
Woolly Bugger (Olive)
This classic streamer imitates leeches and baitfish, which are consistent food sources. It's particularly effective for aggressive Bull Trout and larger Westslope Cutthroat Trout.
Black Woolly Bugger
A darker streamer is excellent for imitating sculpins and leeches, especially in deeper, colder water. Ideal for enticing larger, predatory Bull Trout.
Blood Dot Egg
As fall progresses, eggs from spawning fish become a key food source. This pattern is effective for opportunistic Westslope Cutthroat Trout.
Buy at AmazonWhere to fish and who to ask
Big Creek Trailhead (near Taylor Ranch)
Primary access point for hiking into the Big Creek drainage.
Flying B Ranch Access
Offers remote float and wade fishing opportunities, often accessed via air.
Get Big Creek reports by email
Save this water and we'll email you a weekly summary of conditions, hatches and what's working.
Idaho season by season
What changes on the water through the year, with the flies for each season.
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Quick answers
Common questions about Big Creek.
What flies work best on Big Creek?
Our top scored fly patterns for Big Creek right now are Mother's Day Caddis (80% confidence), Little Black Stonefly (80% confidence), Blue-Winged Olive Comparadun (80% confidence). These picks are scored from recent fishing reports, hatch data, and seasonal patterns.
What fish species are in Big Creek?
Big Creek holds Westslope Cutthroat Trout. See the species links on this page for fly recommendations and seasonal behavior for each.
Is Big Creek fishing well right now?
We publish a fresh bite report for Big Creek each week based on recent on-the-water intel. The current report — with conditions, hatches, and what's producing — is on this page.