The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Lake Arthur
Butler County, Pennsylvania · 3,220 acres (5 sq mi)
47°F water, calm this morning.
About Lake Arthur
Lake Arthur spreads over 3,220 acres in Butler County, Pennsylvania. It lies on the Muddy Creek. Lake Arthur is the centerpiece of Moraine State Park and was formed by damming Muddy Creek.
From end to end it runs about 7 miles with roughly 35 miles of shoreline. The water sits about 1,190 ft above sea level. Prospect is about 1.5 miles southeast.
- Size
- 3,220 acres (5 sq mi)
- Shoreline
- About 35 miles
- End to end
- About 7 miles
- Elevation
- About 1,190 ft
- Type
- Reservoir
- River
- Muddy Creek
- County
- Butler 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 8 mph
Saturday Good
- 6:30 am – 8:45 amsunrise · wind 7 mph
- 3:30 pm – 5:45 pm bestsunset, moon overhead · wind 10 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 Arthur
Anglers come to Lake Arthur for northern pike, largemouth bass, catfish, crappie, bluegill and sunfish, muskie, walleye and striped bass. At 47°F on the surface right now, here is how each one should behave.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- SlowCatfish
Cold. Slow, in the deepest holes. Cut bait works best.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
- 6
- 7
6 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 7:05 am · sunset 5:03 pm · waxing crescent moon (lake time).
Towns and places to stay near Lake Arthur
- Prospectabout 1.5 mi southeast
- Shanor-Northvueabout 5 mi east
- Slippery Rockabout 6.6 mi north
- Homeacre-Lyndoraabout 6.6 mi southeast
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Lake Arthur
What fish are in Lake Arthur?
Lake Arthur holds northern pike, largemouth bass, catfish, crappie, bluegill and sunfish, muskie, walleye and striped bass. Check the state fish and wildlife agency for stocking and limits.
How deep is Lake Arthur?
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 Arthur?
3,220 acres, with about 35 miles of shoreline.
What town is near Lake Arthur?
Prospect is about 1.5 miles southeast; Shanor-Northvue is about 5 miles east.
What is the water temperature at Lake Arthur today?
The surface was about 47°F on the latest clear reading. The page updates every day.
Lake Arthur on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
