Big Wood River at Hailey Total Flow
USGS 13139510 · Sep 3, 2026, 11:00 AM
Every 60 min · daylight
Search Barbless.co
Search rivers, reports, guides, fish, hatches, and more
Idaho Rivers › South Central Idaho
A classic Wood River Valley trout stream with long public reaches, varied insect activity, and strong wade fishing through the upper valley.
A classic Wood River Valley trout stream with long public reaches, varied insect activity, and strong wade fishing through the upper valley. Explore seasonal hatches, access points, and current flow conditions below.
Best Season
Late spring through fall, with runoff timing shaping early-season conditions; winter can still fish on mild days.
River Type
Medium-size freestone trout river with upper-valley wade access and some stocked catchable rainbow sections.
Skill Level
Intermediate overall; approachable for newer anglers on easier public reaches, but changing flows and technical dry-fly windows reward experience.
Best Techniques
Dry-dropper rigs, nymphing through riffles and seams, small streamers during higher water or fall, and hatch-matching dry flies when insects are active.
Access
Good roadside and valley access in the main upper river corridor; check maps and rules by section, and avoid the intermittently flowing lower river below the Richfield Canal diversion.
Explore fish species associated with the Big Wood River. Each profile includes identification tips, habitat notes, and practical fishing guidance for Idaho anglers.
Review seasonal insect hatches on the Big Wood River, including timing windows and fly pattern suggestions for Idaho fly fishing.
Check current seasons, limits, and special rules for Big Wood River before you go. Regulations change — always verify with IDFG.
The latest fishing conditions and hatch notes for Big Wood River. Older reports live in the Big Wood River report archive.
These YouTube videos have been hand-curated by our team because we feel they best represent the Big Wood River fishery. Watch for river character, access context, and techniques that translate to your next Idaho trip.
Map data © Mapbox © OpenStreetMap
The Big Wood River supports 4 fish species in our Idaho fishing catalog. Browse each profile for identification tips, seasonal patterns, and how these species are managed on this water.
The Big Wood River has 18 documented insect hatches across spring, summer, fall, and winter. Review seasonal timing and recommended fly patterns to plan productive days on this Idaho water.
These 8 YouTube videos have been hand-curated by our team because we feel they best represent the Big Wood River fishery. Each pick highlights river character, access, and techniques worth knowing before you fish this Idaho water.
FLY FISHING WITH LADIN
Dec 13, 2025
Teo Fly Co.
Mar 18, 2025
Northwest School of Fly Fishing
Jul 26, 2024
FLY FISHING WITH LADIN
Jul 3, 2024
FLY FISHING WITH LADIN
Feb 13, 2020
FLY FISHING WITH LADIN
Aug 30, 2019
Project Big Wood
Mar 19, 2025
Loon Outdoors
Nov 26, 2024
USGS 13139510 · Sep 3, 2026, 11:00 AM
Every 60 min · daylight
Fishing guides, outfitters, shuttles, and shops that operate on the Big Wood River.
The latest fishing conditions and hatch notes for Big Wood River. Older reports live in the Big Wood River report archive.
No newer report yet — conditions may have changed.
Water levels have dropped into manageable summer flows after runoff, making this a good time to get on the water. Most of the river is wadeable, but deeper holes still demand respect.
