The Upper Arkansas River, running from Leadville to Buena Vista, is an angler’s dream, especially during the fall months when the air is crisp, the water is clear, and the fish are hungry. This high-altitude section features a mix of slow meandering waters and fast, rocky runs, making it a versatile playground for fly fishers. The trout here are structure-oriented, hiding behind rocks, in seams, or hugging the banks, so accurate casting and stealth are key. And with the incredible views of the Collegiate Peaks in the background, even when the fishing slows, the scenery alone makes it worth the trip.
The upper Arkansas River between Leadville and Buena Vista is a stunning and productive stretch for late-fall fishing. With flows hovering around 200-300 CFS, this freestone river offers great wading opportunities and access to wild browns and rainbows. As November temperatures drop, trout are congregating in deeper runs and slower pockets, feeding mainly on midges and Blue Wing Olives. This section’s alpine backdrop and quiet waters make it a perfect destination for anglers seeking solitude and a touch of technical challenge.
The fishing window narrows as the days get colder, but late morning to mid-afternoon remains productive. Nymphing is the go-to method, but trout will occasionally rise for a well-presented BWO during midday hatches. For those targeting larger browns, streamer fishing along undercut banks and deeper pools can produce rewarding strikes. Dress warm and be prepared for a mix of technical fishing and breathtaking scenery.
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| Month | Primary Hatches | Effective Patterns |
|---|---|---|
| March | Midges, Baetis (BWO) | Zebra Midges (#20-24), Blue Wing Olive (#18-22) |
| April | Midges, Baetis, Caddis | Black Beauty (#18-22), Elk Hair Caddis (#16-18) |
| May | Baetis, Caddis | Pheasant Tail (#16-18), Pat’s Rubber Legs (#10-12) |
| June | Caddis, PMDs, Yellow Sallies | Elk Hair Caddis (#16), PMD Comparadun (#16-18) |
| July | Yellow Sallies, PMDs | Yellow Sally (#14-16), PMD Emerger (#18-20) |
| August | Tricos, Caddis, Terrestrials | Trico Spinner (#22-24), Parachute Hopper (#10-12) |
| September | BWOs, Tricos, Midges | BWO Parachute (#18-22), Black Ant (#18-20) |
| October | BWOs, Midges | Blue Wing Olive (#18-22), Zebra Midge (#20-24) |
| November | BWOs, Midges | Black Beauty (#20-24), BWO Emerger (#18-22) |
Seasonal Tip
The colder water means slower trout metabolism. Focus on deeper water where fish are more likely to be holding, and slow down your presentations.
Dry Fly
Blue Wing Olive hatches are brief but productive. Look for rising fish in slow seams and calm eddies during midday.
Nymphing
A double-nymph rig with a Zebra Midge and a Pheasant Tail is a solid choice. Add split shot to get your flies to the bottom where trout are feeding.
Streamer Fishing
Streamers like Black Woolly Buggers can provoke strikes from larger trout. Use a slow retrieve along undercut banks and deeper runs.
The upper Arkansas River offers public access at designated areas, but some sections run through private property. Be sure to respect landowner rights and stick to public access points. A valid Colorado fishing license is required. Barbless hooks are recommended for catch-and-release fishing to maintain the health of this incredible trout fishery.
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