Trip brief · Gros Ventre River
How to go fish the Gros Ventre River
The months we list for the Gros Ventre River are July, August, September. October is outside that window, so this brief is written for July, the next month we list.
July
Reading the gauge…
Flies to tie — July
Pale Morning Dun#16-18
PMD Sparkle Dun
Caddis#16-22
Yellow Sally#14-16
Yellow Stimulator
Access
Crystal Creek Campground
43.610, -110.431parking
Atherton Creek Campground
43.639, -110.522parking
Gros Ventre River at Kelly (USGS 13014500)
43.621, -110.623parking
Gros Ventre River at Zenith (USGS 13015000)
43.557, -110.763parking
Regs — check current rules before you go
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.
Pack list
- A current state fishing licence
- Waders and boots you have already leak-tested
- Net, nippers, forceps
- Floatant and desiccant
- Tippet in the sizes the chart asks for
- Water, sun cover, polarised glasses
Generic gear. Anything specific to this water is above.
Full hatch chart, access map and live gauge on the Gros Ventre River page →