Anglers find excellent sport in many of the streams and lakes within the park boundaries. Some streams are stocked with brook and brown trout.
Mud Run is a delayed harvest, artificial lure only stream.
The lower 2.9 miles of Hickory Run, from near the Saylorsville Dam to the Lehigh River, is a catch and release fishing only area.
This activity or structure is ADA accessible. A fishing pier for people with disabilities is on the CCC Pond, near the campground.
Fishing is discouraged in Sand Spring Lake and is prohibited in the swimming area.
The Lehigh River, which flows along the western boundary of the park, has warmwater game fish, trout, and panfish.
Francis E. Walter Dam, about 20 minutes north of the park, provides boating and angling for trout and warmwater game fish.
Pennsylvania Fish and Boat Commission laws apply. Complete information about fishing rules and regulations in Pennsylvania is available from the Pennsylvania Fish and Boat Commission.