Idaho · Wyoming · freestone
17.6 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 | ||||||||||||
| Caddis | ||||||||||||
| Pale Morning Dun | ||||||||||||
| Ant (Terrestrial) | ||||||||||||
| Grasshopper (Terrestrial) | ||||||||||||
| Beetle (Terrestrial) |
Hatch-chart nymphs, dries, and streamers for this river. Not a crowdsourced catch report.
Open the McCoy Creek fly list →2 listed points. Map is Vellum land and Teal water — a desk chart, not a satellite.
Map loading…
USFS Caribou-Targhee McCoy Creek Campground. Official coordinates 43.1849, -111.1003. Seventeen single units, campground host, primitive boat ramp for small watercraft on Palisades Reservoir. From Alpine, WY, Highway 89 south to Salt River-McCoy Road 087, west about 6 miles.
USGS site 13029500 McCoy Creek above reservoir near Alpine, WY. Official NWIS 43.18055556, -111.1152778. No current discharge as of 2026-09-29. Historic gauge location.
Idaho fishing license required. McCoy Creek and tributaries: trout limit is 6, no harvest of Cutthroat Trout (Idaho Fish and Game Fishing Planner, 2025-2027). Palisades Reservoir tributaries: trout limit 6, no harvest of Cutthroat Trout, no harvest of kokanee (IDFG 2025-2027 seasons and rules). Verify current IDFG rules before fishing. Wyoming license rules apply if you fish the Wyoming bank.
Verify with Idaho Fish and Game. Retrieved 2026-08-31. Seasons and gear rules change.
McCoy Creek is a Palisades Reservoir tributary on the Idaho-Wyoming line south of Alpine. Idaho Fish and Game lists it at 17.6 miles in Bonneville County. It enters the reservoir at the south end, not the South Fork below Palisades Dam.
USGS 13029500 McCoy Creek above Reservoir near Alpine, WY exists at 43.18055556, -111.1152778 (Bonneville County, Idaho in the NWIS file). It is not transmitting live discharge. Do not treat it as a live flow gauge. McCoy Creek Campground (USFS 43.1849, -111.1003) sits on Forest Road 087 at the south end of Palisades Reservoir, with a primitive small-craft ramp.
IDFG surveys in 2025 recorded Yellowstone cutthroat, brown trout, rainbow-cutthroat hybrids, and mountain whitefish. Special rule on McCoy Creek and tributaries: trout limit 6, no harvest of cutthroat trout. Palisades Reservoir tributaries also carry a no-harvest kokanee rule in the 2025-2027 IDFG booklet. Confirm current rules before you go.
Freestone
Brown Trout · Rainbow Trout · Mountain Whitefish
Freestone
Steelhead · Chinook Salmon · Rainbow Trout
Freestone
Yellowstone Cutthroat Trout · Brook Trout
Freestone
Yellowstone Cutthroat Trout · Brook Trout
Spring Creek
Rainbow Trout · Brown Trout · Brook Trout
Freestone
Westslope Cutthroat Trout · Bull Trout · Mountain Whitefish
If something here is thin or wrong, add what you know. It goes to review before it publishes.
Contribute to this riverNo USGS site is linked to McCoy Creek. We do not invent a site id or guess a flow.
