Jumbo Reservoir Fishing Report Today 🎣

Jumbo Reservoir, located in northeastern Colorado, is a popular destination for anglers targeting a variety of freshwater species throughout the fall season. The reservoir is managed as a State Wildlife Area and is subject to seasonal land use closures during deer season, so anglers should always verify access before planning their trip.

Weekly Catches

No verified catches in the last 7 or 15 days; the catches below cover the last 21 days.

Walleye

Recent reports indicate that walleye activity has been steady in the fall transition period at similar regional reservoirs, with anglers finding fish in deeper water as temperatures cool. While specific sizes and numbers for Jumbo Reservoir are not detailed, the most productive depths have ranged from 15 to 22 feet, and vertical jigging with a frozen emerald shiner has been the preferred presentation. Gold or chartreuse jig colors have been especially effective during this period.

• Target depths: 15–22 feet
• Effective baits: frozen emerald shiner, gold/chartreuse jigs
• Presentation: vertical jigging

Jumbo Perch

Anglers have reported a mixed bag including jumbo perch alongside walleye catches in the fall. These perch are typically found in similar depths and respond well to small jigs tipped with live bait. The bite has been consistent, with perch adding variety to the catch for those targeting walleye.

• Hotspots: deeper flats adjacent to breaklines
• Baits: small jigs with live bait

Crappie

Fall is a productive time for crappie at reservoirs with suitable habitat. Crappie are often located at the confluence of shallow flats, deep water, and steep breaklines. Anglers have had success using small jigs and searching for fish along weed edges or deeper flats, especially where steep inside corners meet the shoreline.

• Locations: weed edges, deep flats, steep breaklines
• Baits: small jigs

Northern Pike

While not as commonly targeted, northern pike have been reported in the mix during fall outings. Pike are typically found near weed beds and structure, and aggressive presentations such as spinnerbaits or large spoons can trigger strikes.

• Hotspots: weed beds, submerged structure
• Baits: spinnerbaits, large spoons

Sauger

Sauger are frequently caught alongside walleye in the fall, especially when vertical jigging in deeper water. The same baits and techniques used for walleye are effective for sauger, with frozen shiners and brightly colored jigs producing results.

• Depths: 17–27 feet
• Baits: frozen shiners, gold/chartreuse jigs

Weather & Marine Conditions

Surface water temperatures have continued to cool through October, with readings dropping from 55°F to 53°F at comparable regional lakes. This cooling trend is typical for the season and encourages fish to move deeper. Anglers should prepare for variable fall weather, including wind and occasional rain showers, which can impact fishing comfort and boat safety.

Fishing Conditions & Tips

The fall transition period is marked by fish moving to deeper water and becoming more active as temperatures drop. Vertical jigging is the most productive technique for walleye and sauger, while perch and crappie respond well to small jigs tipped with live bait. For northern pike, focus on weed beds and use larger, more aggressive lures. Early morning and late evening hours tend to produce the best results, especially on calm days.

• Best times: early morning, late evening
• Techniques: vertical jigging, casting small jigs, trolling crankbaits
• Weather: dress for cool, windy conditions

Regulations & Notices

Jumbo Reservoir is managed as a State Wildlife Area and is subject to land closures during deer season. Launching of motorized vessels or sailboats may be prohibited if aquatic nuisance species (ANS) protocols are in effect. Anglers should always check current regulations and access restrictions before visiting. Bag limits and slot sizes for walleye and other game fish may be subject to change, so consult the latest Colorado Parks & Wildlife guidelines for up-to-date information.

• Check for seasonal land closures
• Verify vessel launching restrictions
• Review current bag limits and slot sizes

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Jumbo Reservoir

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