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Upper Big Hole

Updated 1h ago

Big Hole · Jackson area / headwaters to Wise River confluence

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Yellow Sallies Isoperla
Hook: #8-16

Nymphs important

Dries
Yellow Stimulator #10-14
Nymphs
Montana Jig Sally #14-16 Yellow Sally Nymph #12-16
Caddis Tricoptera
Peak
Hook: #12-16 Starts ~54°F

Strong throughout summer

Dries
CDC Caddis #14-18 Corn Fed Caddis #14-18 Elk Hair Caddis #14-18 X-Caddis #14-18
Nymphs
Hare's Ear Nymph #12-18
Midges Chironomidae
Hook: #18-26

Year-round; peak winter during warmest hours

Dries
Griffith's Gnat #18-22
Nymphs
Mercury Midge #20-22 Spanish Bullet #16-18 Zebra Midge #18-22

Report conditions: 30 cfs · 53.1°F · ▼ 7.4% 24h · ↓91% median

The Upper Big Hole is fishing well despite extremely low flows at 30 cfs (91% below median). Water is clear and cold at 53°F with Yellow Sally stoneflies and caddis providing the main action. Focus on deep nymphing in remaining pools and runs, as fish are concentrated in limited habitat due to low water conditions.

Conditions Clear, Stable
Nymphing Yellow Sally Nymph #12, Caddis Pupa #14, Zebra Midge #20, San Juan Worm #16
Dry Fly Yellow Sally #14, Elk Hair Caddis #14, Griffith's Gnat #20
Streamer Woolly Bugger #10, Sculpin Pattern #8

Based on current conditions and local shop reports · 3d ago

7-Day Flow

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