Pa First Day Of Trout 2025. When is the first day of trout season in pennsylvania? (wtaj) — the first day of trout in pennsylvania is just days away — april 6 — and here’s what you might want to know before heading out to fish.

(wtaj) — the first day of trout in pennsylvania is just days away — april 6 — and here’s what you might want to know before heading out to fish. More than 3 million trout will be stocked in 697 streams and 129 lakes in pennsylvania.