Fishing Report for the Arkansas River
October 5th, 2026
Arkansas Freestone (Lower Basin)
Conditions Update: We've got fish-able conditions back in the entirety of Bighorn Canyon this morning. 3ft of visibility or better from Cotopaxi upstream and a couple feet down through Parkdale and clear edges...plenty fishable and produced really well yesterday. This week looks like very mild conditions which should setup well for some excellent days ahead.
October has arrived on the Arkansas, and with it comes one of the best fishing windows of the entire year. Cooler days and nights have the river locked into ideal fall conditions, and the brown trout population has now entered the pre-spawn period. That shift has noticeably ramped up activity throughout the system, with fish feeding aggressively, moving with purpose, and becoming increasingly territorial.
Fall BWO activity continues to take center stage. We’re seeing strong lifecycle activity throughout the day, and anglers should be prepared to fish everything from small BWO nymphs and emergers to adults when fish begin looking up. As always this time of year, matching those smaller mayflies can be extremely effective, but don’t overlook the opportunistic nature of Arkansas River trout in October. Attractor dries, foam patterns, and other larger offerings can still pull surprisingly aggressive fish to the surface, especially during warmer portions of the day. The streamer bite has also become extremely productive as brown trout move deeper into pre-spawn behavior. Territorial fish are much more willing to chase, slash, and commit to larger patterns, making October one of our favorite times of year to cover water with streamers. Work structure, deeper runs, banks, and transition water thoroughly, and be ready for some very aggressive eats. Dry/dropper and dry/double-dropper rigs remain excellent all-around approaches, particularly when BWO activity is building but fish are still willing to react to larger attractors. Traditional nymphing remains productive as well, especially through deeper runs and pockets where fish are concentrating.
Simply put, October is one of the best fishing months of the year on the Arkansas River. Cooler water, strong fall hatches, aggressive pre-spawn browns, lower fishing pressure, and multiple productive techniques all come together to create incredibly consistent fishing. If you’ve been waiting for the right fall window, this is it.
Call us at (719) 371-4530
We're moving through the tail end of the Summer Season and already pre-booking for the fantastic Fall Season! Call us today to get a trip on the books if that is something you're considering! 719-371-4530 or CLICK HERE for more information.
Stream Conditions
Wellsville Flowrate: 276 cfs
Cañon City Flowrate: 301 cfs
Clarity- 3ft of viz or better above Cotopaxi, 2ft or better and clear edges through Parkdale...very fishable.
Suggested Methods
Dry/Dropper and Dry/Double Dropper rigs remain our most versatile setups right now, especially with opportunistic fish still willing to move for larger attractor dries while Fall BWO activity continues to build. Start with a buoyant foam or bushy attractor up top, then run a smaller BWO nymph or emerger at the point position below it, adding a second attractor nymph as a lead if wanted. As the day progresses, be ready to downsize flies, lengthen leaders, and lighten tippet when fish become more selective. Traditional nymphing is still highly effective in deeper runs, riffles, and pockets, particularly during slower surface windows. Streamer fishing is also a major focus right now as pre-spawn Brown Trout become increasingly territorial—cover water, target structure and transition zones, and fish streamers aggressively through likely holding water, especially during low-light periods and cloudy conditions.
Arkansas Freestone (Upper Basin)
General Overview
The Upper Arkansas Basin from Salida to Leadville has shifted into much cooler fall conditions, with cold nights, gin-clear water and increasingly technical fishing. Trout are still feeding well, but the combination of lower flows and exceptional clarity has fish noticeably more cautious. Stealth is critical right now—approach good water carefully, avoid unnecessary wading, make longer casts when needed, and rely on longer leaders, lighter tippet and smaller flies to consistently get eats.
Fall BWO activity remains an important part of the daily menu, and smaller BWO nymphs, emergers and dries should be a major focus as the day progresses. Dry/Dropper and light Dry/Double Dropper rigs remain effective, but keep profiles slim and presentations subtle. Traditional nymphing can be excellent through deeper runs, pockets and riffles, particularly when surface activity slows. The Upper River is fishing well, but this is definitely a precision game right now—slow down, stay out of the fish’s sightline, and think small.
Stream Conditions
Leadville Flowrate: 12 CFS
Granite Flowrate: 74 CFS
Salida Flowrate: 204 CFS
Clarity- Clear
Suggested Methods
Dry/Dropper and Dry/Double Dropper rigs remain our most versatile setups right now, especially with opportunistic fish still willing to move for larger attractor dries while Fall BWO activity continues to build. Start with a buoyant foam or bushy attractor up top, then run a smaller BWO nymph or emerger at the point position below it, adding a second attractor nymph as a lead if wanted. As the day progresses, be ready to downsize flies, lengthen leaders, and lighten tippet when fish become more selective. Traditional nymphing is still highly effective in deeper runs, riffles, and pockets, particularly during slower surface windows. Streamer fishing is also a major focus right now as pre-spawn Brown Trout become increasingly territorial—cover water, target structure and transition zones, and fish streamers aggressively through likely holding water, especially during low-light periods and cloudy conditions.
