teton-river
Teton River is a river in Idaho.
It ranks #7 among the 28 waters of Idaho in the registry, and is of regional prominence.
Also called the Teton.
Fished for trout (inferred from the species listed).
Species: cutthroat trout, rainbow trout and brown trout.
USGS GNIS record: 392287.
Stretches: Teton Canyon and Upper Teton River.
Access points: Cache Bridge and Harrop Bridge.
Bates Bridge (access). It is fishable and launchable. IDFG boat ramp near Driggs (43.7236, -111.1875 per howsyourriver). Farthest upstream of the three: distances to the same downstream put-in are 11.1 mi from Bates, 8.9 from Rainey, 6.8 from Cache.
It is on the stretch Upper Teton River.
It is upstream of Rainey Bridge.
Rainey Bridge (access). It is fishable and launchable. IDFG boat ramp in Twin Forks, ID (43.7522, -111.2046 per howsyourriver).
It is on the stretch Upper Teton River.
It is upstream of Cache Bridge.
It is downstream of Bates Bridge.
Float: Cache Bridge to Harrop Bridge, from Cache Bridge to Harrop Bridge.
Sourced from 5 independent fly sites.
Sources: cdn.orvis.com (retrieved 2026-10-20), eastyellowstone.tu.org (retrieved 2026-10-20), flylordsmag.com (retrieved 2026-10-20), guiderecommended.com (retrieved 2026-10-20), henrysforkanglers.com (retrieved 2026-10-20), howsyourriver.com, howsyourriver.com (2), howsyourriver.com (3), The Perfect Fly Store, sportfishingreport.com, sportfishingreport.com (2) (retrieved 2026-10-20) and sportfishingreport.com (3) (retrieved 2026-10-20).
Hatches
Mahogany dun
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep hatching
- Oct
- Nov
- Dec
Named in the 26 September 2025 Henry's Fork Anglers report alongside gray drakes.
Sources: sportfishingreport.com
Green, brown and gray drakes
- Jan
- Feb
- Mar
- Apr
- May
- Jun hatching
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Henry's Fork Anglers' season guide says the drakes arrive mid-to-late June, with the upper Teton among the best dry-fly waters at that point.
Sources: henrysforkanglers.com
Pale morning dun
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug hatching
- Sep
- Oct
- Nov
- Dec
Henry's Fork Anglers' 22 August 2025 report has PMDs and terrestrials on the upper Teton; the East Yellowstone TU page notes big PMD hatches after cold mornings, with cripples recommended.
Sources: eastyellowstone.tu.org, sportfishingreport.com
Grasshoppers, ants, beetles
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug hatching
- Sep hatching
- Oct
- Nov
- Dec
Hoppers in August (Flylords, 22 August 2025 report); ants, beetles and hoppers still on in the 26 September 2025 report.
Sources: sportfishingreport.com, flylordsmag.com, sportfishingreport.com
Gray drake (fall)
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep hatching
- Oct hatching
- Nov
- Dec
A second gray drake window on the upper Teton: 26 September 2025 report lists it; the season guide says October brings a gray drake hatch on the upper Teton; Guide Recommended calls the September grey drake hatch 'phenomenal'.
Sources: guiderecommended.com, henrysforkanglers.com, sportfishingreport.com
Blue-winged olive
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct hatching
- Nov
- Dec
Henry's Fork Anglers lists the upper Teton among October dry-fly waters as olive hatches intensify; Flylords also lists olives for the river.
Sources: henrysforkanglers.com, flylordsmag.com
Stoneflies (canyon)
- Jan
- Feb
- Mar
- Apr
- May
- Jun hatching
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Flylords: canyon floats begin around the end of June, with stoneflies. Guide Recommended mentions stoneflies and large terrestrials without dates.
Sources: guiderecommended.com, flylordsmag.com
Access, closures and rules change; check with the state agency before you go.