Wyoming · freestone
75 miles
October on the hatch chart — names and sizes, not a catch report.
Filled months are when that insect is on the chart. Best months for this river are lit.
Swipe months to stay on the year
| Insect | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Midge (Chironomidae) | ||||||||||||
| Blue-winged Olive | ||||||||||||
| Salmonfly | ||||||||||||
| Golden Stonefly | ||||||||||||
| Caddis | ||||||||||||
| Pale Morning Dun | ||||||||||||
| Yellow Sally | ||||||||||||
| Grasshopper (Terrestrial) | ||||||||||||
| Ant (Terrestrial) |
Hatch-chart nymphs, dries, and streamers for this river. Not a crowdsourced catch report.
Open the Gros Ventre River fly list →4 listed points. Map is Vellum land and Teal water — a desk chart, not a satellite.
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USFS Bridger-Teton Crystal Creek Campground on the Gros Ventre River and Crystal Creek. Official coordinates 43.610451, -110.431422. Sites 1-3 usable; sites 4-6 damaged by river erosion as of 2026. Overflow across the road is open.
USFS Bridger-Teton Atherton Creek Campground on Lower Slide Lake. Official coordinates 43.638548, -110.522141. Paved access via Gros Ventre River Road. Boat and fishing access for Lower Slide Lake and the Gros Ventre corridor.
Live USGS gauge Gros Ventre River at Kelly, WY. Official NWIS 43.62088889, -110.6230556. Discharge live as of 2026-09-29.
Live USGS gauge Gros Ventre River at Zenith, WY. Official NWIS 43.5572222, -110.7627778. Discharge live as of 2026-09-29.
Wyoming fishing license required. Area 1 stream creel: three trout per day or in possession, no more than one trout over 16 inches, and no more than one cutthroat over 12 inches, unless posted otherwise. Gros Ventre River from the eastern boundary of the National Elk Refuge downstream to the U.S. Highway 26/89/191 Bridge in Teton County: National Elk Refuge regulations prohibit fishing from December 1 through March 31 (WGFD Area 1, updated January 7, 2026). Live baitfish prohibited in Area 1. Grand Teton National Park water requires a Wyoming license and park fishing rules. Verify current WGFD and NPS rules.
Verify with Wyoming Game and Fish. Retrieved 2026-08-31. Seasons and gear rules change.
The Gros Ventre River (grow-vont) drains the Gros Ventre Range east of Jackson and enters the Snake on the valley floor. Native Snake River cutthroat are the fish. The 1925 Gros Ventre Slide created Lower Slide Lake. The Newbold Dam below Kelly was removed in 2013, reopening main-stem passage.
Two live USGS gauges sit on the fished water: 13014500 Gros Ventre River at Kelly, WY (43.62088889, -110.6230556) and 13015000 Gros Ventre River at Zenith, WY (43.5572222, -110.7627778). Crystal Creek Campground (USFS 43.610451, -110.431422) is the mapped Bridger-Teton access east of Kelly on Gros Ventre River Road (Forest Road 30400), on designated Wild and Scenic water.
Wyoming Area 1 stream limits apply. From the eastern boundary of the National Elk Refuge downstream to US 26/89/191, National Elk Refuge rules prohibit fishing December 1 through March 31. Gros Ventre Road east of Kelly closes in winter. Best fishing is after runoff, typically late June through September.
Tailwater
Brown Trout · Rainbow Trout · Mountain Whitefish
Freestone
Brown Trout · Rainbow Trout · Brook Trout
Freestone
Brown Trout · Rainbow Trout · Brook Trout
Freestone
Yellowstone Cutthroat Trout · Brown Trout · Brook Trout
Freestone
Snake River Cutthroat Trout · Rainbow Trout · Brown Trout
Freestone
Brown Trout · Rainbow Trout
If something here is thin or wrong, add what you know. It goes to review before it publishes.
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