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
Mankey Slough
Clark County, South Dakota · about 990 acres (1.5 sq mi)
Calm this morning.
About Mankey Slough
In Clark County, South Dakota, Mankey Slough covers about 990 acres.
From end to end it runs about 3 miles with roughly 14.2 miles of shoreline. The water sits about 1,800 ft above sea level. The nearest town, Clark, is about 8 miles west.
- Size
- About 990 acres (1.5 sq mi)
- Shoreline
- About 14.2 miles
- End to end
- About 3 miles
- Elevation
- About 1,800 ft
- County
- Clark County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise
- 3:30 pm – 5:15 pm bestsunset, moon overhead · wind 10 mph
Saturday Fair
- 3:45 pm – 5:45 pm bestsunset, moon overhead · wind 16 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in South Dakota, walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake.
- Walleye
- Northern pike
- Largemouth bass
- Yellow perch
- Bluegill and sunfish
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
No clear reading right now. Narrow or small lakes often have none; the weather and bite times below still apply.
Water level
No daily level reading for this lake.
Ice
No clear view of the ice yet
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:25 am · sunset 5:03 pm · waxing crescent moon (lake time).
Towns and places to stay near Mankey Slough
- Clarkabout 8 mi west
- Watertownabout 20 mi east
- Haytiabout 24 mi southeast
- Websterabout 27 mi north
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Questions about Mankey Slough
What fish are in Mankey Slough?
Lakes like Mankey Slough usually hold walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Mankey Slough?
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 Mankey Slough?
About 990 acres, with about 14.2 miles of shoreline.
What town is near Mankey Slough?
Clark is about 8 miles west; Watertown is about 20 miles east.
Is the water warm enough to swim in Mankey Slough?
Check the water temperature on this page before you go: under 70°F feels cold to most swimmers, and under 60°F cold-water shock is a real risk.
Mankey Slough on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.