The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (back of a cove) is open for everyone; the other 4 come with LakeScope PRO. Full screen
Lake Wilhelm
Mercer County, Pennsylvania · 1,680 acres (2.6 sq mi)
57°F water, calm Sunday afternoon.
About Lake Wilhelm
In Mercer County, Pennsylvania, Lake Wilhelm covers 1,680 acres; it is a reservoir. It lies on the Sandy Creek. Lake Wilhelm was created in 1971 by damming Sandy Creek and lies within Maurice K. Goddard State Park.
It stretches about 4.4 miles end to end and its shoreline adds up to about 13.4 miles. At about 1,190 ft above sea level, it follows the seasons of the region. Stoneboro lies about 2.3 miles to the south. The closest city is Youngstown, about 34 miles away.
- Size
- 1,680 acres (2.6 sq mi)
- Shoreline
- About 13.4 miles
- End to end
- About 4.4 miles
- Elevation
- About 1,190 ft
- Type
- Reservoir
- River
- Sandy Creek
- County
- Mercer County
The lake from above
Best fishing times
Friday Good
- 6:30 am – 8:45 amsunrise
- 3:30 pm – 5:00 pm bestsunset, moon overhead · wind 10 mph
Saturday Fair
- 6:30 am – 8:45 am bestsunrise · wind 8 mph
- 3:30 pm – 5:45 pmsunset, moon overhead · wind 13 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Lake Wilhelm
Anglers come to Lake Wilhelm for largemouth bass, smallmouth bass, yellow perch, crappie, bluegill and sunfish, catfish, walleye, northern pike and muskie. With the surface at 57°F, the notes below say which of them should be biting.
- FairLargemouth bass
Cooling down. Try slow baits on points and deeper channel edges.
- FairSmallmouth bass
Picking up. Look on rocky points and gravel.
- GoodYellow perch
Schooled near weed edges and soft bottom.
- GoodCrappie
Active. Brush piles and docks in 8 to 15 ft.
- FairBluegill and sunfish
Warming. Shallow, sunny pockets in the afternoon.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Back of a cove
Sheltered, shallower water where baitfish gather.
- 2
- 3
- 4
- 5
4 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:06 am · sunset 5:02 pm · waxing crescent moon (lake time).
Towns and places to stay near Lake Wilhelm
- Stoneboroabout 2.3 mi south
- Lake Latonkaabout 7.3 mi southwest
- Cochrantonabout 8.2 mi north
- Sugarcreekabout 11 mi east
- Youngstownnearest city, about 34 mi southwest
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Questions about Lake Wilhelm
What fish are in Lake Wilhelm?
Lake Wilhelm holds largemouth bass, smallmouth bass, yellow perch, crappie, bluegill and sunfish, catfish, walleye, northern pike and muskie. Check the state fish and wildlife agency for stocking and limits.
How deep is Lake Wilhelm?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Lake Wilhelm?
1,680 acres, with about 13.4 miles of shoreline.
What town is near Lake Wilhelm?
Stoneboro is about 2.3 miles south; Lake Latonka is about 7.3 miles southwest.
What is the water temperature at Lake Wilhelm today?
The surface was about 57°F on the latest clear reading. The page updates every day.
Lake Wilhelm on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
