Hatch calendars by river
New York trout hatch calendars.
6 rivers covered. Each calendar runs through the full year of mayfly, caddis, stonefly, midge, and terrestrial activity — with peak windows, fly patterns, and water temperature triggers.
What's hatching in New York — May
Most-active hatches across New York's 6 covered rivers right now. Tap a hatch for the full species profile.
Rivers
- Sullivan County · Delaware CountyBeaverkill RiverFreestoneHendricksonQuill GordonSulphur
- Ulster CountyEsopus CreekFreestoneHendricksonSlate DrakeSulphur
- Sullivan CountyNeversink RiverFreestoneHendricksonQuill GordonSlate Drake
- Ulster CountyRondout CreekFreestoneHendricksonQuill GordonSlate Drake
- Delaware CountyWest Branch Delaware RiverTailwaterSulphurGreen DrakeSlate Drake
- Sullivan CountyWillowemoc CreekFreestoneHendricksonQuill GordonSlate Drake