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The river is cold, lightly stained to clear, and moving slower than the main stem, with trout set up in soft winter lanes and deep inside bends. Feeding windows are short but forgiving compared to Cheesman or Deckers, especially during calm afternoons. This is classic North Fork South Platte winter fly fishing: quieter water, fewer anglers, and steady opportunity if you slow down.
Updated: March 10, 2026
The North Fork of the South Platte is still in late winter mode. The water is cold, flows are steady, and the river has very little fishing pressure compared to the more famous stretches downstream.
This is classic small tailwater fishing. Trout are holding in slower seams and deeper pockets, feeding mostly on midges with occasional Baetis activity when temperatures climb in the afternoon. If you fish slowly and focus on clean drifts through the deeper lanes, you can find steady action.
The biggest advantage here right now is space. While Deckers and Cheesman see regular traffic, the North Fork often fishes quietly with long stretches of water to yourself.
Listen to the Audio Overview
Conditions Summary
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• Water Temperature: 36°F
• Air Temperature: 64°F
• Wind: 6 to 15 mph
• Clarity: Clear
• Crowds: Low
• Primary Hatch: Midges with occasional Baetis
• Best Window: 11 a.m. to 3 p.m.
• Overall Rating: Quiet winter fishing with consistent nymph action
Weather
Top Flies in Your Box This Week
Primary Hatch: Midges
Top Secret Midge 22 to 24
Dead drift deep through slower seams and pocket tails.
Black Beauty 20 to 24
Reliable dropper when trout are feeding near the bottom.
Mercury Midge 20 to 22
A subtle flash option in clear water.
Rojo Midge 20 to 22
Good color change when fish become selective.
Secondary Hatch: Baetis
JuJu Baetis 18 to 20
A solid lead fly once the afternoon feeding window opens.
CDC Biot Baetis 18 to 20
Slim profile that works well in slower seams.
RS2 Gray 18 to 20
Fish higher in the drift during mild afternoons.
Attractor and Movement Trigger
Rainbow Warrior 18 to 20
A subtle attractor when trout begin feeding higher.
Perdigon Olive 16 to 18
Good lead fly for reaching depth quickly.
Mini Leech Olive 10 to 12
Slow strips through deeper bends can move larger trout.
Pro Rig of the Week: North Fork Winter Pocket Rig
Indicator: Small yarn indicator or tight-line setup
Lead Fly: JuJu Baetis 18
Dropper: Top Secret Midge 22
Weight: One small split shot above the lead fly
Target Water: Pocket heads, slower seams, and deeper pools
Focus on controlled drifts through the slower water. Trout rarely move far in cold conditions.
South Platte Hatch Chart – March
| Bug Type | Size | Notes |
|---|---|---|
| Midges | 20 to 26 | Primary hatch throughout the day |
| Baetis | 18 to 20 | Occasional activity during mild afternoons |
| Scuds | 16 to 18 | Present in slower pockets |
Access Points – North Fork South Platte
Bridge Crossing Pull Off | 📍 Locals Rating ⭐️⭐️⭐️⭐️ 4.0
Pocket water with consistent winter holds.
Lower Canyon Bends | 📍 Locals Rating ⭐️⭐️⭐️⭐️ 4.0
Defined inside seams and depth changes.
Boulder Pocket Section | 📍 Locals Rating ⭐️⭐️⭐️ 3.5
Short drifts with technical approaches.
Upper Roadside Stretch | 📍 Locals Rating ⭐️⭐️⭐️ 3.0
Light pressure with limited winter structure.
Lower Confluence Reach | 📍 Locals Rating ⭐️⭐️⭐️⭐️ 4.5
Deeper water holding trout consistently.
Bailey Stretch | 📍 Locals Rating ⭐️⭐️⭐️⭐️⭐️ 5.0
Consistent pocket water and depth.
Pine Valley Ranch Area | 📍 Locals Rating ⭐️⭐️⭐️⭐️ 4.0
Defined seams and soft winter lanes.
Shawnee Bridge Reach | 📍 Locals Rating ⭐️⭐️⭐️⭐️ 4.0
Reliable winter pocket structure.
Grant Area Access | 📍 Locals Rating ⭐️⭐️⭐️⭐️ 4.0
Low pressure with solid depth transitions.
Downstream Canyon Stretch | 📍 Locals Rating ⭐️⭐️⭐️ 3.5
More technical drifts and tighter lanes.
Local Regulations And Landowner Notes
- Respect private sections in the Bailey corridor
- Only use designated access points
- Winter flows can fluctuate; check before wading tight slots
Stop Here After The River
A classic warm-up spot after a cold canyon day. Cozy cabin vibe, wood-fired pizzas, good burgers, and the kind of hot coffee that brings your hands back to life. Order the wood-fired pepperoni or the bacon cheeseburger and give yourself a minute to thaw before the drive home.
Photo of the Month
Credit: Colorado Trout Hunters
Book Colorado Trout Hunters for Private Waters and Top access along the South Platte
FAQ
Q: What flows fish best this time of year
A: 150 to 250 CFS is ideal and 200 CFS is nearly perfect.
Q: Are dries realistic
A: Only during brief calm windows; otherwise stick to nymphs.
Q: What is the best time of day
A: Midday once the canyon warms and light reaches the river floor.
Q: Is the water crowded right now
A: Medium pressure, more on warm weekends, lighter during colder snaps.
Q: Should I run 6x
A: Yes on your dropper, especially with size 22 to 24 midges.
Q: Are streamers a real option
A: Yes if fished slowly along deep structure, but nymphing is primary.
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