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Updated Daily · South Platte · Arkansas · Eleven Mile · Dream Stream

Fishing Reports
& Stream Flows

Real USGS data combined with firsthand observations from guides who fished these rivers this week. No guesswork. No stale reports.

Last updated: May 21, 2025 · 6:00 AM · USGS Gauge Data

Current River Conditions

CFS data from USGS gauges. Temp, clarity, and fishing notes from our guides.

Excellent
South Platte — Deckers
South Platte River · USGS Gauge #07105500
116
CFS
51°F
Temp
Clear
Clarity
Guide's Report — May 21
"PMDs hatching strong 10am–2pm. Fish are looking up. Dry/dropper rigs killing it. Use 5x tippet on dries — these fish are selective. The upper canyon stretch near Deckers has been fishing exceptionally well on the morning caddis. Don't overlook evening rises."
Recommended Flies
Parachute Adams #16
PMD Sparkle Dun #18
Elk Hair Caddis #16
RS2 #20
Blue Winged Olive #18
Lightning Bug #18
Good
Eleven Mile Canyon
South Platte River · Park County, CO
94
CFS
49°F
Temp
Clear
Clarity
Good
Dream Stream
South Platte · Spinney Reservoir to Eleven Mile Reservoir
68
CFS
50°F
Temp
Clear
Clarity
Fair
Arkansas River — Pueblo
Arkansas River · Fremont / Pueblo County, CO
380
CFS
48°F
Temp
Stained
Clarity
Fair
Colorado River — Upper
Grand County, CO · Near Granby / Hot Sulphur Springs
890
CFS
55°F
Temp
Clear
Clarity
CFS data sourced from USGS National Water Information System. Updated hourly. Fishing notes by Peak Fly Shop guides.

South Platte Hatch Calendar

General hatch windows for Colorado tailwaters. Conditions vary year to year — always check our daily report for what's actually on the water.

Insect JanFebMarApr May JunJulAugSepOctNovDec
Midges (Chironomidae)
Blue Winged Olive (BWO)
PMD (Pale Morning Dun)
Caddis (Trichoptera)
Golden Stonefly
Terrestrials (Ants / Hoppers)
★ Peak / Currently hatching
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See you on the water.

— the Peak crew