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 5 come with LakeScope PRO. Full screen
Black Lake
St. Lawrence County, New York · 7,860 acres (12.3 sq mi)
50°F water, calm this morning.
About Black Lake
In St. Lawrence County, New York, Black Lake covers 7,860 acres; it is a natural lake. It lies on the Oswegatchie River. Black Lake is the largest lake located entirely within St. Lawrence County, New York, and drains into the Oswegatchie River.
It stretches about 14 miles end to end with roughly 55 miles of shoreline. The water sits about 280 ft above sea level. The deepest water is about 40 ft, with an average depth near 8 ft. Ogdensburg lies about 6.1 miles to the northeast.
- Size
- 7,860 acres (12.3 sq mi)
- Deepest
- About 40 ft (average 8 ft)
- Shoreline
- About 55 miles
- End to end
- About 14 miles
- Elevation
- About 280 ft
- Type
- Natural lake
- River
- Oswegatchie River
- County
- St. Lawrence County
The lake from above
Best fishing times
Friday Good
- 6:15 am – 8:30 amsunrise
- 3:00 pm – 4:30 pm bestsunset, moon overhead · wind 7 mph
Saturday Good
- 6:15 am – 8:30 amsunrise · wind 5 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 8 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Black Lake
Black Lake holds largemouth bass, smallmouth bass, walleye, northern pike, crappie, bluegill and sunfish, yellow perch and muskie. With the surface at 50°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.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
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
5 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 6:56 am · sunset 4:36 pm · waxing crescent moon (lake time).
Towns and places to stay near Black Lake
- Ogdensburgabout 6.1 mi northeast
- Gouverneurabout 10 mi southeast
- Alexandria Bayabout 13 mi southwest
- Cantonabout 15 mi east
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Questions about Black Lake
What fish are in Black Lake?
Black Lake holds largemouth bass, smallmouth bass, walleye, northern pike, crappie, bluegill and sunfish, yellow perch and muskie. Check the state fish and wildlife agency for stocking and limits.
How deep is Black Lake?
About 40 ft at the deepest point, about 8 ft on average. The 3-D view shows where the deep water is.
How big is Black Lake?
7,860 acres, with about 55 miles of shoreline.
What town is near Black Lake?
Ogdensburg is about 6.1 miles northeast; Gouverneur is about 10 miles southeast.
What is the water temperature at Black Lake today?
The surface was about 50°F on the latest clear reading. The page updates every day.
Black Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
