Blue River Fly Fishing Report Near Green Mountain Reservoir

Blue River Near Green Mountain Reservoir Fishing Report – November 2024

The Blue River below Green Mountain Reservoir is a peaceful, productive tailwater fishery, perfect for late fall fishing. With flows consistent around 75-100 CFS, this section of the Blue River offers steady, clear water and cooler temperatures that keep the trout active during midday hours. The trout are settling into winter patterns, which means a mix of subtle nymph presentations and occasional surface action during midge and BWO hatches.

For anglers seeking solitude and larger fish, this area is ideal. The deeper pools and slower runs make it a rewarding experience for nymph and streamer enthusiasts, especially when targeting rainbows and browns as they bulk up for the colder months. Light presentations and stealthy approaches will pay off in this beautiful, quiet stretch of the river.

Conditions Summary

• Flow Rate: 75-100 CFS
• Water Temperature: 40-45°F
• Clarity: Clear
• Best Times: Late morning to mid-afternoon

River Flow Chart

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Source: Colorado Division of Natural Resources River Flow Station Reprort 

Blue River Hatch Chart Near Green Mountain Reservoir

Top 3 Flies for the Week

• Dry Fly: Blue Wing Olive (#18-22) – Great for the occasional afternoon hatch; perfect for calm sections.
• Nymph: Pheasant Tail (#18-20) – A staple for late fall, particularly effective in riffles and seams.
• Streamer: Olive Sculpzilla (#8-10) – A solid choice for working deeper pools and enticing larger trout.

Tips Fly Fishing on the Blue River Below Green Mountain Reservoir

Seasonal Tip
Focus on midday fishing for the most active trout, as the colder mornings often keep them subdued until temperatures rise.

Dry Fly
Small BWOs can be productive during mid-morning to early afternoon, especially in slower sections of the river. A well-placed Blue Wing Olive can tempt even the pickiest trout to the surface.

Nymphing
A two-fly nymph rig with a Pheasant Tail and Zebra Midge is your go-to here. Work the seams, riffles, and tails of pools, adjusting weight for the river’s slower flows.

Streamer Fishing
For targeting larger trout, use an Olive Sculpzilla or similar streamer pattern. Keep retrieves slow, focusing on deeper sections and areas with structure.

Access Points

Green Mountain Tailwater

• Description: A prime tailwater section just below the dam, accessible by a short hike.
• Why Fish Here: Known for stable flows and a healthy population of brown and rainbow trout.
• Location: [Google Maps link here]
• Locals’ Rating: ⭐⭐⭐⭐⭐

Tumble Creek Confluence

• Description: A scenic access spot where Tumble Creek joins the Blue River.
• Why Fish Here: Excellent for wading, with plenty of trout holding in deeper waters.
• Location: [Google Maps link here]
• Locals’ Rating: ⭐⭐⭐

Blue River Campground

• Description: Offers easy access to the river along with camping facilities.
• Why Fish Here: Ideal for a full-day fishing adventure with ample trout in riffles and pools.
• Location: [Google Maps link here]
• Locals’ Rating: ⭐⭐⭐

Local Regulations and Notes on Landowner Rights

The Blue River below Green Mountain Reservoir is a catch-and-release fishery. Barbless hooks are recommended to reduce stress on fish. Always respect private property along the river, using designated access points and practicing good river etiquette. A valid Colorado fishing license is required, and anglers are encouraged to follow local fishing regulations to preserve this tailwater fishery.