Pennsylvania Hatch Chart And USGS Gauge Levels
Note: All flies above were tied with the UP DN TROUT Wing Material. The Green Drake and Stonefly had CDC added.
This is a “general” Pennsylvania Hatch Chart. Not all bugs occur on all streams, and timing can vary by stream and by year. This chart is a good starting point to prepare for hatches across Pennsylvania.
Water Flows, Gage Heights and Temperatures Available For Rivers and Streams. Feel Free To Reach Out If You Need To Know If The Water Is Fish-able. Email
Montana, Utah, and Colorado in 2025
All Flies on this page were tied with the UP DN TROUT Wing Material (and some CDC, Stonefly and Green Drake).
Penns Creek, Big Fishing Creek, Manatawny Creek, Tulpehocken Creek, Spring Creek, Bald Eagle, Pine Creek, Slate Run, Cedar Run, Lehigh River, Pohopoco, Mud Run, Broadhead Creek, Bushkill Creek, Little Juniata, Kettle Creek, Young Women’s Creek, Lackawanna River, Lackawaxen River, Class A Trout Streams