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Lake Wilhelm

Boat Ramps
10
Access Points
15
Species
19

Lake Wilhelm is a 1,724-acre impoundment located within Maurice K. Goddard State Park in Mercer County, Pennsylvania. This picturesque reservoir boasts nearly 100 miles of shoreline and spans 1,680 acres of water surrounded by lush forests and rolling hills. With a maximum depth of 25 feet, this fertile lake offers excellent year-round fishing opportunities for anglers of all skill levels. Created by damming Sandy Creek, Lake Wilhelm has become known for its diverse fish population and abundant structure, making it a premier fishing destination in northwestern Pennsylvania.

Fish stocking schedule

Latest 5 stockings

  • Channel Catfish8,700 fish · Yearlings2026
  • Walleye87,000 fish · Fingerlings2026
  • Muskellunge1,300 fish · Yearlings2026
  • Walleye130,500 fish · Fingerlings2025
  • Channel Catfish8,700 fish · Yearlings2025

Source

Pennsylvania Fish and Boat Commission

Updated Nov 13, 2026. Dates are as precise as the agency reports them.

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Fishing spots, boat ramps & amenities

Learn how to get on Lake Wilhelm. Uncover great fishing access points, boat ramps, and all the facilities you need for an unforgettable day on the water. Some locations shown may border or include private property. Always check property boundaries and applicable regulations before visiting. onWater's Public & Private Land layer can help you plan your access with confidence.

Wilhelm Trail Walk-in Fishing Access Site

Wilhelm Trail Walk-in Fishing Access Site

Access Point
Lake Road Walk-in Fishing Access Sites

Lake Road Walk-in Fishing Access Sites

Access Point
Creek Road Walk-in Fishing Access Site

Creek Road Walk-in Fishing Access Site

Access Point
South Shore Trail Walk-in Fishing Access Site

South Shore Trail Walk-in Fishing Access Site

Access Point
SGL 270 Acces

SGL 270 Acces

Access Point

Know where you can legally fish on Lake Wilhelm

See public and private land boundaries along the water, turn on private parcels with owner details to know where permission is required, and find land-trust parcels that offer permitted fishing access.

Pennsylvania licenses and regulations

Pennsylvania Boating Regulations

When using any type of watercraft to access a body of water, it is important to follow all federal, state, and local rules and regulations. These rules and regulations include boat permitting and licensing, invasive species inspections and stamps, life jacket and PFD rules, motor size and horsepower restrictions, noise limitations, restrictions on personal watercraft, and many more. Visit the web link below for the most current rules and regulations for this body of water.

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Pennsylvania Fishing License

A current license, signed in ink, is required of persons age 16 and over to fish or angle for any species of fish and to take fish bait, baitfish, and species of amphibians and reptiles from Commonwealth waters by those legal methods described in the Pennsylvania Summary of Fishing Regulations and Laws (Summary Book).

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Pennsylvania Fishing Regulations

This river has a variety of species and regulations, including potential floating and/or watercraft restrictions. Because this river is specially managed for species, seasons, angling methods, and watercraft, it is strongly encouraged you check all federal, state, and local regulations before fishing. Visit any of the links below, inquire locally, or contact a local fly shop to learn current regulations and restrictions.

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Pennsylvania Stream Access Laws

The public has the right to fish in any navigable waterway, which is determined by the practical uses of the water. If a stream is determined navigable, the streambed is considered state owned, thus allowing wading, portage, and fishing. If the stream bed is non-navigable, floating is permitted, but fishing is exclusive to the landowner.

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Take Lake Wilhelm with you

The onWater Fish app keeps this water's access points, species and conditions in your pocket, with the tools you use once you're there.

  • Use the map without signal

    Download the map around Lake Wilhelm to use it offline when coverage drops.

  • Log your catches here

    Keep a private fishing journal for Lake Wilhelm to find where and when fish are biting for you.

  • HD depth charts from Garmin

    Find drop offs, ledges, channels, points and shallow flats with Garmin depth charts in the app.

Get the onWater Fish app

Free on iOS and Android

Water and weather conditions (10 day forecast)

See the best times to fish Lake Wilhelm and check the forecast before you go.

No forecast data available.

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