Casselman River fishing
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Casselman River Fishing Regulations

What to check before fishing at Markleton in Somerset County, Pennsylvania.

Fishing at Casselman River

Markleton provides access to Casselman River, a public body in Somerset County, Pennsylvania. Species-specific size and bag limits can vary by water body and change seasonally, so always confirm current rules for Casselman River specifically before you fish — statewide defaults don't always apply to every lake, river, or stretch of coast.

Check current regulations for Casselman River

Fishing License

Fishing in Pennsylvania is regulated by the Pennsylvania Fish and Boat Commission. Most anglers 16 and older need a valid license, with some exceptions for residents, youth, or shore-based fishing depending on the state.

Get a Pennsylvania fishing license →

Before you cast a line, check:

  • Size and bag limits for your target species on Casselman River specifically
  • Whether Casselman River has any special regulations (slot limits, catch-and-release zones, closed seasons)
  • Your license requirements based on age, residency, and whether you're fishing from the bank or a boat
  • Any required stamps or endorsements for specific species (e.g. trout, saltwater)