Greys River
Lincoln Co. · 60 mi · Class I–II
952CFS/ 2.43 ft
Optimal
Stable· +41 cfs in 3h
Optimal: 300–2000 CFS · USGS #13023000
Flow data is live from USGS·Rapid classifications and CFS ranges need community verification·Know this river?
60 mi
Length
Class I–II
Difficulty
300–2000 cfs
Optimal
800 cfs
Avg Flow
700 cfs
Hist. Median
#13023000
USGS Gauge
Bridger-Teton National Forest

The Greys River flows through one of the most remote valleys in Wyoming — 60 miles along the Salt Range in Lincoln County. Elk, moose, and mule deer outnumber people along this backcountry float through the Bridger-Teton National Forest.

Trip sections
Upper Greys — Class I, mountain meadow
Middle Greys — Class I–II, forested canyon
Lower Greys to Snake River — Class I, wide valley
Outfitters
Greys River Outfitters
Backcountry float fishing on the Greys
72-Hour Flow Forecast
NOAA NWPS
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10-Year Flow Patterns
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Data Quality

River conditions are community-verified. CFS ranges, difficulty ratings, and trip sections may not reflect every flow level or seasonal change. Always check current conditions, scout unfamiliar rapids, and paddle within your skill level. If you spot an error, use the Improve This River button at the top of the page — your local knowledge is what makes this atlas accurate.