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Roeliff Jansen Kill - fly fishing in New York

Roeliff Jansen Kill

Fly fishing in New York · Beginner · Best seasons: Spring, Summer, Fall

Target Species

Brown Trout

About This Water

Columbia County stream with wild brown trout. Scenic Hudson Valley fishing.

Fishing Recommendations

The Roeliff Jansen Kill, affectionately known by locals as "The Roe Jan," is one of the Hudson Valley’s most cherished and productive trout streams. Flowing through Columbia and Dutchess Counties, it offers a classic Catskill-style fishing experience without the crushing crowds of the Beaverkill or Delaware.

As your guide, here is the comprehensive breakdown for targeting Brown Trout on this beautiful tributary.


🎣 Location Overview

The Roe Jan is a major tributary to the Hudson River, characterized by its diverse water types. It begins as a small, cool-water stream in the hills and transforms into a substantial river as it winds through agricultural valleys and forested limestone pockets.

What makes it special is its biologic diversity. The river benefits from limestone influences, which lead to high insect productivity and healthy fish growth. Anglers love it because it offers a "big water" feel in certain stretches with deep pools, undercut banks, and classic riffle-run-pool sequences, while maintaining the intimacy of a local stream.

🐟 Target Species & Behavior

The primary draw here is the Brown Trout. The Roe Jan is stocked annually by the NYSDEC, but it also holds a significant population of "holdover" fish and wild Browns in its cooler upper reaches and shaded tributaries.

📅 Best Times to Fish

Spring (April - June)

Summer (July - August)

Fall (September - October)

🪰 Recommended Flies & Techniques

Nymphing (The Bread & Butter)

Nymphing is the most consistent way to catch fish on the Roe Jan.

Dry Flies (The Glory)

The Roe Jan has excellent hatches.

Streamers (For the Trophies)

💡 Pro Tips & Local Knowledge

⚠️ Important Information

Bug Hatches & Matching Flies

HatchTypePeak monthsTime of dayHook sizesMatching flies
Blue-Winged Olive
Baetis / Acerpenna
mayflyApril, May, September, OctoberMid-day/Afternoon#18-22BWO Sparkle Dun #18-22, Pheasant Tail #18-20, RS2 #20-22
Hendrickson
Ephemerella subvaria
mayflyApril, MayAfternoon#12-14Hendrickson Dark #12-14, Red Quill #14, Hendrickson wet fly #12-14
Tan Caddis
Hydropsyche
caddisMay, JuneEvening#14-18Elk Hair Caddis (Tan) #14-16, LaFontaine's Deep Sparkle Pupa #14-18, Holy Grail #16
Sulphur
Ephemerella invaria / dorothea
mayflyMay, JuneEvening#14-18Sulphur Parachute #14-18, Sulphur Snowshoe Emerger #16-18, Mercer's Pupa #16
March Brown
Maccaffertium vicarium
mayflyMay, JuneAfternoon#10-12March Brown American #10-12, Gold Ribbed Hare's Ear #10-12, March Brown Wet Fly #12
Light Cahill
Stenacron interpunctatum
mayflyJune, JulyEvening#12-14Light Cahill #12-14, Cahill Wet Fly #14, Pheasant Tail (Light) #14
Trico
Tricorythodes
mayflyJuly, August, SeptemberMorning#22-26Trico Spinner #22-24, Trico Parachute #24, Zebra Midge (Black) #22-24
Cinnamon Caddis
Ceraclea / Chimarra
caddisJune, July, AugustEvening#16-20X-Caddis (Amber) #18-20, Cinnamon Sedge #16-18, Green Weenie #16
Terrestrials
Formicidae / Coleoptera
terrestrialJuly, August, SeptemberAll Day#12-18Black Foam Ant #16-18, Crowe Beetle #14-16, Chernobyl Ant #12-14

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