Where to Go Arkansas River – Pueblo

Open 9 am to 6 pm Daily

Report Date: 10/9/2026

Current Conditions:

Flows on the Arkansas River Pueblo Tailwater are currently running around 90 CFS, including hatchery outflow releases. Water temperatures remain in a healthy autumn range between 55 and 60 degrees near the dam spillway. The reduced releases create ideal wade-fishing access along the park stretches and gravel bars through Pueblo, though high clarity makes trout cautious in shallow tailouts. Fish are holding heavily along deep bank ledges, structure-heavy drop-offs, and soft current seams below cobble riffles. Keep an eye on flows as things are changing daily and sometimes hourly.

Guide Report:

Juan Ramirez - 9/27/2026

Tricos still out. Not a ton of eating going on some days. Flows have been a little bit better recently.

Hans Mylant - 9-26-2026

Excellent fishing! Tricos

Weather:

Short Term -

Autumn weather in Pueblo brings warm, agreeable afternoon conditions compared to high-altitude mountain tailwaters. Early morning starts are crisp with temperatures in the low 40s, warming rapidly under sun-filled high-plains skies to highs in the upper 60s and 70s. Light afternoon breezes are common along the river trail, creating helpful surface chop that masks leader shadows across glassy glides.

Long Term -

As late October progresses into November, daily high temperatures will gradually cool into the 50s, though Pueblo stays significantly milder than Front Range canyon streams. Stable, controlled tailwater release temperatures from Pueblo Dam protect the fishery from early-season freezes, keeping trout actively feeding straight through the fall season. Low autumn baseline flows are expected to hold steady, preserving excellent sight-nymphing and dry-fly opportunities.

Hatches:

Midges dominate the early morning hours, drifting along eddy lines and tailouts in large numbers. Afternoon hours bring reliable hatches of small Blue-Winged Olives (BWOs) and residual Pseudocloeon mayflies, particularly when overcast skies roll over the plains. Scattered caddis and micro-PMDs remain active on warmer days, along with late-season terrestrial ants and beetles falling from overhanging brush into bankside feeding lanes.

Tactics:

Low, clear water calls for refined presentations using 9-to-12-foot leaders tapering to 5X or 6X fluorocarbon tippet. A two-fly nymph rig set for sight-fishing works exceptionally well—lead with an understated attractor like a small leech, scud, or egg pattern, paired with a size #20-22 midge pupa, Ninja Midge, or Baetis emerger trailer. During active afternoon hatches, switching to a delicate dry-dropper setup or a single parachute BWO along foam lines and subtle bank seams produces steady topwater action.

Tips:

Photo by Ted Demetriou