Idaho

Teton River

Idaho·Eastern Idaho·43.75° N, 111.32° W

Solunar · next 7 days

About Teton River

Most anglers driving through Teton Valley have their eyes on the Henry's Fork or the South Fork of the Snake, which is exactly why the upper Teton stays quiet. It's a low-gradient, spring-influenced meadow river that meanders through willow-lined pastureland between Victor and Driggs, with the Teton Range standing up on the eastern skyline. The headline fish is the native Yellowstone cutthroat — trout that average 12 to 16 inches and rise honestly to a well-drifted dry, with the odd 18-plus-incher holding under a cutbank or in a deep bend. It fishes a lot like a big spring creek: clear water, glassy tailouts, real currents to read, and fish that will refuse a dragging fly.

In practical terms the river is three fisheries stitched together. The upper meadow reach above the canyon is the prime dry-fly water and where most fly fishers spend their time — flat, wadeable in spots and better covered by canoe or low-profile raft, technical enough to reward a good drift. Below that the river drops into a short, steep canyon (locals call the pinch "the Narrows") that holds the biggest fish and the most productive water but requires a hike-in on foot or a whitewater-capable raft to run — this is not beginner water. Downstream of the old Teton Dam site the river spreads through farmland toward St. Anthony: fewer trout per mile, but the ones there can be large, and guides float it regularly. Season runs roughly June through October — PMDs and Yellow Sallies open things in July, caddis fill the evenings all summer, Green Drakes move the lazy fish, and August-September hopper fishing along the grass banks (the canyon especially) is the calendar highlight.

The honest trade-off is crowds of a different kind: the upper meadow is heavily used by recreational floaters in summer — canoes, kayaks, tubes, and paddleboards by the dozen on a warm afternoon — so early and late in the day, or shoulder-season timing, fish far better than a hot July midday. Runoff timing matters too; this is a partly snowmelt-driven basin off the Teton Range, and the river carries color and volume into early summer before it settles and clears. Cutthroat are catch-and-release by regulation and barbless single hooks are required. Access is genuinely easy in the valley — Cache Bridge near Victor is the go-to put-in, with more public points scattered near Driggs.

Species

Yellowstone Cutthroat Trout
Primary · Jun-Oct · 12-16"
The signature fish and dominant in the upper meadow. Fish over 18 inches hold in deep bends and undercuts. Catch-and-release only by regulation.
Rainbow Trout
Common · Jun-Oct · 10-16"
Wild fish present throughout, more common in the lower river. Harvest is allowed (2/day); IDFG manages against cutthroat-rainbow hybridization.
Brook Trout
Common · Jun-Oct · 8-12"
Abundant smaller fish in the upper reaches and tributaries. Nonnative, with a liberal 6/day limit.
Brown Trout
Present · Aug-Oct · 12-20"+
Reported in the canyon and lower valley. Targeted with hoppers and streamers in late season; the biggest fish in the system live here.
Mountain Whitefish
Common · Year-round · 8-14"
Native and common; incidental on nymphs.

Species	Abundance	Best Season	Size
Yellowstone Cutthroat Trout	Primary	Jun-Oct	12-16"
Rainbow Trout	Common	Jun-Oct	10-16"
Brook Trout	Common	Jun-Oct	8-12"
Brown Trout	Present	Aug-Oct	12-20"+
Mountain Whitefish	Common	Year-round	8-14"

Sections

3 reaches

Lower Valley (Old Teton Dam Site to St. Anthony)

FloatBrown Trout · Rainbow Trout

Below the old Teton Dam site the river settles and spreads through farmland toward St. Anthony — meandering, irrigation-influenced valley water with lower trout density but potential for large fish. The old dam site is a popular guide put-in. Late summer, irrigation withdrawal drops flows and warms the water, so time it early or late in the season.

Best for: Guided float fishing for larger brown trout and rainbow trout on streamers and hoppers.

The Narrows / Teton Canyon

FloatCutthroat · Brown Trout · Rainbow Trout

A short, steep canyon where the river pinches between rock walls into genuinely hazardous whitewater — this is the most productive water and holds the biggest fish, but access is a rough hike-in on foot or a run in a whitewater-capable raft, not a drift-boat float. Larger cutthroat and brown trout hold in the pools. August-September hopper fishing along the high grass banks is the calendar highlight.

Best for: The biggest cutthroat and brown trout in the system on hoppers and streamers; premier late-summer hopper water for anglers willing to earn the access.

Upper Meadow (Victor to Driggs)

Wade & FloatCutthroat · Rainbow Trout

The prime dry-fly reach and where most fly fishers spend their time — low-gradient, spring-influenced meadow water with willow-lined meanders, glassy flats, seams, and undercut banks. Clear spring-creek clarity and drag-sensitive Yellowstone cutthroat rising in the flats. Wadeable in stretches but best covered by canoe or a low-profile raft; expect heavy recreational-float traffic on warm summer afternoons.

Best for: Technical dry-fly fishing and sight-casting to rising Yellowstone cutthroat trout on PMDs, caddis, Green Drakes, and hoppers.

At a glance

Ideal wading flow: 150–400 cfs
Blow-out: >1,200 cfs
Ideal water temp: 50–62°F

Best seasons

July-September is the heart of it — summer PMD and caddis dries giving way to hopper season, best clarity, and the biggest dry-fly windows. June brings Green Drakes and post-runoff fishing but watch flows and color. October is fall BWO and browns. Note the Driggs (upper) gauge reads a much smaller drainage than St. Anthony (337 vs 876 sq mi plus irrigation returns) — don't read the two as the same water. Neither USGS gauge reports water temperature, so carry a thermometer and watch August afternoons in the lower valley.

Regulations

General trout season with a native-cutthroat conservation focus. Cutthroat are catch-and-release only and barbless single hooks are required. Rainbow and brook trout may be harvested. Rules change — confirm the current year and any tributary-specific closures on the IDFG Fishing Planner before fishing.

Cutthroat trout: catch-and-release only — no harvest
Barbless single hooks required (pinch your barbs)
Rainbow trout: 2/day, no size limit
Brook trout: 6/day (nonnative, liberal limit)
Idaho fishing license required

Native Yellowstone cutthroat conservation water. Check the IDFG Fishing Planner for tributary-specific spawning closures — Teton Creek, Trail Creek, and the South Teton are listed separately from the mainstem.

Source: Idaho Department of Fish and Game — Fishing Seasons and Rules. Regulations change annually. Verify before fishing.

Getting there

Driggs, ID

45-60 min from Jackson, WY over Teton Pass; 1.5 hrs from Idaho Falls (IDA); 1.5 hrs from Jackson Hole (JAC)

Fly shops

Camping: Camping and BLM/Forest access throughout the surrounding Caribou-Targhee National Forest. Full lodging and services in Driggs and Victor; St. Anthony anchors the lower river.

Cache Bridge near Victor is the primary public access and go-to put-in on the upper meadow, with additional public points near Driggs. The old Teton Dam site is a popular guide put-in for the lower valley float. Expect heavy recreational-float traffic on the upper meadow on warm summer afternoons — fish early or late.

Teton River

About Teton River

Species

Sections

Lower Valley (Old Teton Dam Site to St. Anthony)

The Narrows / Teton Canyon

Upper Meadow (Victor to Driggs)

Fishing reports

More in Idaho

Eastern Idaho

Fall River

Henry's Fork

South Fork Snake River

Other regions

Big Lost River

Big Wood River

Boise River

Clearwater River

Lochsa River

Middle Fork Salmon River

Teton River

About Teton River

Species

Sections

Lower Valley (Old Teton Dam Site to St. Anthony)

The Narrows / Teton Canyon

Upper Meadow (Victor to Driggs)

Fishing reports

More in Idaho

Eastern Idaho

Fall River

Henry's Fork

South Fork Snake River

Other regions

Big Lost River

Big Wood River

Boise River

Clearwater River

Lochsa River

Middle Fork Salmon River

Fishing conditions

Fishing conditions