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Spring has arrived on Colorado's Eagle River, bringing dynamic conditions that challenge and reward anglers alike. From the headwaters near Minturn down to Gypsum, the river is awakening with increased flows and active trout. In this comprehensive April 2025 fly fishing report, we delve into current river conditions, hatch activity, effective fly patterns, and strategic approaches to maximize your success on the water.Current River Conditions:Flow Rates: As of early April, flows are increasing due to early snowmelt. For the most accurate and up-to-date flow information, refer to the USGS monitoring stations:Near Minturn: Below Gypsum: Water Temperature: Ranging from 38°F in the mornings to 45°F by late afternoon.Clarity: Generally clear in the mornings; may become slightly tinted in the afternoons due to runoff.Fishing Pressure: Moderate, with increased activity on weekends.Hatch Activity:April on the Eagle River is characterized by several key hatches:Midges: Consistent throughout the month, especially during warmer parts of the day.Blue Winged Olives (BWOs): Emerging primarily on overcast days, typically late morning to early afternoon.Early Stoneflies: Beginning to appear, offering opportunities for larger nymph patterns.Effective Fly Patterns:Nymphs:Pat's Rubber Legs (#10–14) in olive or brown – Imitates stonefly nymphs; effective in deeper runs and riffles.RS2 (#18–22) in gray or olive – Mimics emerging BWOs; productive during hatch periods.Cutthroat AnglersZebra Midge (#18–22) in black or red – A staple for midge activity; works well in slower pools.Rise Beyond Fly FishingDry Flies:Parachute Adams (#18–22) – Versatile pattern for midge and BWO hatches.Cutthroat AnglersBlue Wing Olive Comparadun (#18–22) – Effective during BWO emergences, especially on cloudy days.Streamers:Slump Buster (#8–10) in olive or black – Useful during periods of increased flow or lower light conditions to target aggressive feeders.Fishing Strategies:Nymphing: Utilize a double nymph rig with a heavier point fly (such as a stonefly nymph) and a smaller dropper (like a BWO emerger). Adjust indicator depth to target fish holding near the bottom.Dry Fly Fishing: Look for rising fish in the afternoons, especially during BWO hatches. Present flies upstream and allow a natural drift over feeding lanes.Streamer Fishing: During early mornings or overcast days, streamers can entice larger trout. Cast across and slightly downstream, retrieving with varied speeds to mimic injured prey.Access Points:Minturn Stretch: This upper section near Minturn offers fast currents and pocket water, ideal for wading anglers. Known for healthy brown trout populations and less fishing pressure. Accessible via Highway 24.Edwards Riverwalk: A scenic stretch with slower runs and riffles, providing diverse fishing opportunities. Suitable for various techniques; proximity to amenities. Located along the Riverwalk in Edwards.Gypsum Ponds State Wildlife Area: Lower river section featuring deeper pools and runs, accessible via designated parking areas. Ideal for targeting larger trout; less crowded. Near Gypsum, off US-6.Hot Spots:Wolcott Riffles: Located near the town of Wolcott, this area offers consistent riffles and runs, attracting feeding trout, especially during hatch periods.Eagle Town Park: In the heart of Eagle, this stretch provides easy access and productive waters, particularly in the early season.Dotsero Confluence: Where the Eagle River meets the Colorado River, offering opportunities for larger trout and diverse fishing conditions.