New York June Fly Fishing: Catskills Hatches & Prime Rivers
June fly fishing in New York peaks with Hendrickson hatches and sulfur emergences. Target Delaware, Beaverkill, and Willowemoc for world-class dry fly action.
By Cade Bagley
Founder & Editor
In this post
June transforms New York's legendary waters into a fly fishing paradise. The Catskills reach their seasonal zenith as hatches overlap in perfect succession, creating the conditions that made these waters the birthplace of American dry fly tradition. From the storied pools of the Beaverkill to the challenging runs of the Delaware system, June offers anglers the season's most consistent and rewarding fishing.
Water levels stabilize after spring runoff, temperatures settle into the ideal 60-68°F range, and multiple emerger patterns create feeding opportunities throughout the day. The month's extended daylight hours provide ample time to match the hatch, from early morning midge activity through evening caddis emergences.
01Current Fishing Conditions
June conditions in New York represent peak season fishing. Spring snowmelt has subsided across the Catskills, leaving rivers at optimal flows with excellent clarity. Tailwater fisheries like the Delaware below Cannonsville Dam benefit from controlled releases that maintain consistent temperatures and flows.
Stream temperatures hover in the perfect 60-68°F range, triggering prolific insect activity without stressing trout populations. Morning air temperatures in the 50s warm to comfortable 70s by afternoon, creating ideal conditions for all-day fishing. The month's stable weather patterns mean fewer dramatic flow fluctuations, allowing anglers to fish with confidence.
Freestone streams throughout the Adirondacks and Catskills run clear and cool, with mountain snowpack providing consistent base flows. Weed growth remains manageable, offering excellent nymph habitat without impeding presentations.
02Top Rivers for June
Delaware River System
The Delaware's main stem and tributaries fish exceptionally well in June. The West Branch below Cannonsville Dam produces consistent action throughout the day, with sulfur hatches beginning around 6 PM. Focus on the long pools below Balls Eddy and Junction Pool for rising fish during evening emergences.
Water releases from the dam create perfect conditions for Euro nymphing during non-hatch periods. Target the deeper runs with Hare's Ear Nymph and Pheasant Tail Nymph patterns in sizes 16-18.
Beaverkill River
June marks the Beaverkill's finest month, with consistent sulfur hatches and excellent brown trout fishing. The legendary pools from Roscoe upstream to Lew Beach fish best during evening hours when sulfurs emerge in clouds. Focus on the deeper pocket water during midday with attractor patterns.
This classic Catskills water demands precise presentation and drag-free drifts. Use longer leaders (12-15 feet) and light tippet (6X-7X) for spooky browns in the clear water. The river's technical nature rewards patient anglers who study each pool before making their first cast.
Willowemoc Creek
The "Willy" provides exceptional small-stream fishing in June, with consistent hatches and willing wild browns. The water from Livingston Manor downstream offers excellent pocket water fishing, while the upper reaches reward careful nymphing through deeper holes.
Focus on early morning and evening sessions when fish are most active. Midday fishing can be productive in shaded pools and undercut banks. The creek's intimate nature allows for close observation of feeding fish, making it ideal for practicing precise dry fly techniques.
Ausable River
The West Branch Ausable near Wilmington produces excellent fishing in June, with consistent BWO hatches and aggressive brook trout feeding. The pocket water downstream from the Flume provides technical fishing that rewards accurate casting and quick line control.
Target the deeper pools during bright midday conditions, then shift to riffle water as light fades. The river's gradient creates numerous feeding lies, but also demands careful wading and positioning.
Neversink River
The Neversink's wild trout water below the reservoir offers pristine June conditions with excellent sulfur and march brown hatches. The river's tumbling pocket water provides year-round nymph fishing, while evening hatches bring spectacular dry fly opportunities.
Focus on the deeper pools during bright conditions, using high-floating attractor patterns like Orange Stimulator to locate feeding fish. Switch to specific imitations as hatches begin, particularly during the evening sulfur emergence.
03Hatch Report
Sulfur Mayflies (Ephemerella invaria)
June's signature hatch arrives with clockwork regularity around 6 PM on warm evenings. These size 16-18 mayflies create feeding frenzies on the Delaware system and major Catskills streams. Sulfurs prefer slow to moderate water, making them ideal for technical dry fly fishing.
Match these hatches with Comparadun patterns in pale yellow or light orange, sizes 16-18. During heavy emergences, emerger patterns often outfish traditional duns. Focus on pool tails and slow seams where emerging insects concentrate.
March Brown Mayflies (Maccaffertium vicarium)
These robust size 12-14 mayflies provide exciting fishing on faster water throughout June. March browns prefer riffle sections and pocket water, creating opportunities for aggressive feeding behavior. Their strong swimming ability allows them to emerge in current, unlike more delicate mayflies.
Fish Mahogany Dun patterns and high-floating attractor dry flies during emergence periods. The hatch typically occurs during afternoon hours, making it perfect for midday fishing when other activity slows.
Caddisflies (Multiple Species)
June caddis activity peaks with overlapping species creating extended feeding opportunities. Grannom caddis begin the month, followed by spotted sedges and various micro-caddis species. These insects emerge throughout the day but concentrate during evening hours.
Carry Elk Hair Caddis in sizes 14-18 and Haystack Caddis patterns for surface activity. Subsurface, use Soft Hackle Wet Partridge & Orange patterns to imitate emerging pupae.
Blue-Winged Olives (Baetis species)
BWO hatches provide consistent fishing throughout June, particularly on overcast days and during cooler weather. These size 18-22 mayflies emerge sporadically during daylight hours, creating subtle but consistent feeding opportunities.
Use BWO Comparadun patterns and small Blue-Winged Olive Comparadun flies for surface feeders. Nymph fishing with small olive patterns produces consistent results during non-emergence periods.
04Recommended Flies
June success demands matching specific emergences while carrying reliable attractors for exploration. Focus on sulfur patterns as the month's primary dry flies, supplemented by versatile nymphs for subsurface work.
Essential Dry Flies
- Sulfur Comparadun (sizes 16-18): Primary pattern for evening sulfur hatches
- Mahogany Dun (sizes 12-14): Matches march brown emergences perfectly
- Elk Hair Caddis CDC (sizes 14-18): Versatile caddis imitation for evening activity
- Orange Stimulator (sizes 10-14): High-floating attractor for pocket water
- BWO Comparadun (sizes 18-22): Essential for overcast day BWO hatches
Productive Nymphs
- Hare's Ear Nymph (sizes 14-18): Versatile pattern for all water types
- Pheasant Tail Nymph (sizes 16-20): Specific mayfly nymph imitation
- Flashback Hare's Ear (sizes 14-16): Adds attraction in deeper water
- Soft Hackle Wet Partridge & Orange (sizes 14-16): Perfect caddis emerger imitation
Reliable Streamers
- Woolly Bugger (sizes 6-10): Essential baitfish imitation for deeper pools
- Black Woolly Bugger (sizes 8-12): Productive in stained water conditions
- Clouser Minnow (sizes 6-8): Weighted pattern for deep water presentations
05Gear Essentials
Rod Selection
June conditions favor versatile 9-foot 5-weight rods for most New York waters. This setup handles everything from delicate dry fly presentations to weighted nymph rigs. Consider a 4-weight for smaller streams like the upper Willowemoc, or a 6-weight for windy conditions on larger rivers.
Medium-fast action rods provide the versatility needed for June's varied presentations. Look for rods with enough backbone to fight larger browns while maintaining sensitivity for detecting subtle nymph strikes.
Line Considerations
A weight forward floating line handles 90% of June situations. Choose lines with longer front tapers for delicate presentations during hatch periods. Consider carrying a sink-tip line for deeper pools and streamer work during midday periods.
Line color matters on clear Catskills waters. Earth tones or clear intermediate lines reduce spooking in gin-clear pools where educated browns scrutinize every detail.
Leader and Tippet Setup
Use 12-15 foot tapered leaders for dry fly work, tapering to 6X or 7X tippet for sulfur and BWO presentations. Fluorocarbon tippet provides invisibility in clear water but may sink dry flies. Use monofilament for surface work and fluorocarbon for nymphing.
Carry multiple tippet spools (5X through 7X) to adjust for varying conditions and fly sizes. Pre-tied dropper rigs save time when switching from dry flies to nymph setups.
Essential Accessories
- Polarized sunglasses: Critical for spotting fish and reading water
- Stream thermometer: Monitor water temps for optimal timing
- Floatant and desiccant: Keep dry flies riding high
- Split shot and indicators: Adjust nymph presentations
- Hemostats: Essential for safe hook removal
- Net with rubber bag: Protects fish during photography and release
06Wading and Safety
June's moderate flows make wading safer than spring conditions, but Catskills streams still demand respect. Felt-soled boots provide superior grip on slick bedrock, while cleated boots work well on rocky substrates. Always wade cautiously and test each step.
Carry a wading staff on larger rivers like the Delaware. Strong currents below dams can shift quickly with generation changes. Check dam release schedules before fishing tailwaters and position yourself safely above high-water marks.
Stream flows can rise rapidly during thunderstorms. Monitor weather conditions and be prepared to exit the water quickly if storms approach. Lightning poses a serious risk to anglers holding graphite rods in open water.
07Timing Strategies
June's long days provide multiple feeding windows. Start early (dawn) for midge activity and eager fish before angling pressure increases. Midday periods offer nymph fishing opportunities in deeper water and shaded areas.
Evening sessions from 6-9 PM produce the month's best dry fly action. Arrive streamside by 5:30 PM to observe pre-hatch conditions and position for emerging insects. Sulfur hatches typically begin around 6 PM and peak within an hour.
Overcast days extend hatch activity and provide excellent fishing throughout daylight hours. BWO emergences increase during cloudy conditions, while bright sunny days concentrate activity during morning and evening periods.
08Water Reading and Approach
June's clear water demands careful approach and precise presentations. Study each pool from a distance before entering the water. Identify feeding fish, current seams, and potential holding water before making your first cast.
Focus on transition zones where fast water meets slow current. These seams concentrate food and provide comfortable feeding positions for trout. Target the heads and tails of pools during hatch periods when insects concentrate in these areas.
Avoid wading through potential fishing water. Enter streams below your target area and work upstream, staying low and moving quietly. Spooked fish in clear water may not feed for hours after disturbance.
09Conservation and Ethics
New York's wild trout waters face increasing pressure from growing angler numbers. Practice careful catch-and-release techniques, especially with wild brook trout and native strain browns. Use barbless hooks, land fish quickly, and minimize handling time.
Respect private property and follow posted regulations. Many prime Catskills waters flow through private land where access depends on landowner goodwill. Pack out all trash and leave no trace of your presence.
Consider fishing pressure when planning your trips. Popular pools can become crowded during peak hatch periods. Explore lesser-known waters or fish during off-peak hours to reduce impact on heavily pressured fish.
10Sources & References
Quick answers
What time do sulfur hatches typically begin in June?
Sulfur mayflies typically begin emerging around 6 PM on warm June evenings throughout the Catskills. The hatch intensity peaks within the first hour and may continue until near dark, creating exceptional dry fly fishing opportunities.
Which New York rivers fish best during June?
The Delaware River system, Beaverkill, Willowemoc Creek, and West Branch Ausable offer the best June fishing. These waters provide consistent hatches, stable flows, and excellent trout populations during the month's peak conditions.
What fly sizes work best for June sulfur hatches?
Sulfur mayfly imitations in sizes 16-18 match the natural insects perfectly. Use Comparadun patterns in pale yellow or light orange colors, with 6X or 7X tippet for the most realistic presentations.
How should I approach fishing during bright June afternoons?
Focus on nymph fishing in deeper pools and shaded areas during bright midday conditions. Use Hare's Ear and Pheasant Tail nymphs, or try attractor patterns like Orange Stimulators in pocket water where fish remain active.
What water temperatures are ideal for June trout fishing in New York?
Optimal water temperatures range from 60-68°F, which is typical for June in most New York trout streams. These temperatures trigger maximum insect activity while keeping trout comfortable and actively feeding.
The New York year
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