Wyoming Fishing Reports ยท Star Valley Region
The Greys River runs about 60 miles through national forest east of Alpine, a long, roadside cutthroat river with plenty of room to spread out.
Looking for the latest Greys River report? This page is updated by the AvidMax fly shop team with live flows, current conditions, hatches and the flies working now on the Greys River โ Alpine.
Current flows
Wind forecast
Greys River fishing report
Updated November 7, 2026.
The gauge above the reservoir reads around 230 cfs, clear and cold.
Fish small nymphs in the deeper runs, and a small attractor dry on sunny afternoons.
Load your fly box
Before you head to Alpine, bring: Parachute Adams #14-18, Elk Hair Caddis #14-16, Pheasant Tail Nymph #14-16, Zebra Midge #18-20, RS2 Emerger #18-22, JuJu Baetis #18-22, Black Beauty #20-24, Egg #14-16, Squirmy Wormie #12-14, Scud Bomb #14-16.
Flies working right now
The flies above that we have in stock right now.
Greys River details
| Access | Greys River Road follows the river for most of its length through Bridger-Teton National Forest. |
|---|---|
| Elevation | About 5,700 to 7,000 ft |
| Nearest town | Alpine, Wyoming |
| Best season | Summer and fall |
| Fish | Snake River fine-spotted cutthroat |
| Regulations | General Wyoming creel limits apply unless posted. Check the Wyoming Game and Fish Department regulations for current rules. A Wyoming fishing license is required for anglers 14 and older. |
| Leaders and tippet | 7.5 to 9 ft leaders, 5X tippet |
| Camping | Many national forest campgrounds along Greys River Road (seasonal) |
| Kids | Yes in summer. |
| Good to know | The road closes to cars in winter. |
Fishing by season
Winter
Snowed in.
Spring
Runoff.
Summer
Prime time for dries.
Fall
Low water.
How to get there
From Alpine, take Greys River Road east into Bridger-Teton National Forest.