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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 6 come with LakeScope PRO. Full screen

Big Eau Pleine Reservoir

Marathon County, Wisconsin · about 3,960 acres (6.2 sq mi)

49°F water, calm this morning.

Water49°F
Level—no gauge
Wind today6 mphNNW
Best bite3:15 pmto 5:15 pm

About Big Eau Pleine Reservoir

In Marathon County, Wisconsin, Big Eau Pleine Reservoir covers about 3,960 acres.

It stretches about 7.8 miles end to end with roughly 36 miles of shoreline. Its surface is about 1,140 ft above sea level. The nearest town, Mosinee, is about 5.8 miles east.

Size
About 3,960 acres (6.2 sq mi)
Shoreline
About 36 miles
End to end
About 7.8 miles
Elevation
About 1,140 ft
County
Marathon County

The lake from above

1 2 miles N
Spot 1 is open for everyone; grey dots are the PRO spots.

Best fishing times

Saturday Good

  • 6:15 am – 8:30 amsunrise · wind 5 mph
  • 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 6 mph

Sunday Good

  • 6:15 am – 8:30 amsunrise · wind 0 mph
  • 4:00 pm – 5:15 pm bestsunset, moon overhead · wind 2 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

Expect the usual Wisconsin mix for a lake this size: walleye, northern pike, largemouth bass, smallmouth bass and yellow perch. The state fish and wildlife agency lists what is stocked and the rules for this lake. With the surface at 49°F, the notes below say which of them should be biting.

  • Good
    Walleye

    Good cool-water bite, best at dusk and after dark.

  • Good
    Northern pike

    Prime range. Weed edges and shallow bays.

  • Fair
    Largemouth bass

    Cooling down. Try slow baits on points and deeper channel edges.

  • Fair
    Smallmouth bass

    Picking up. Look on rocky points and gravel.

  • Good
    Yellow perch

    Schooled near weed edges and soft bottom.

From today's water temperature and the season. A guide, not a promise.

Fishing spots

  1. 1
    Back of a cove

    Sheltered, shallower water where baitfish gather.

  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 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

49°F

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

Saturday 43° / 24° 6 mph NNW Partly Sunny
Sunday 46° / 23° 3 mph WSW Sunny

Sunrise 6:54 am · sunset 4:32 pm · waxing crescent moon (lake time).

Towns and places to stay near Big Eau Pleine Reservoir

  • Mosineeabout 5.8 mi east
  • Stratfordabout 6.9 mi west
  • Evergreenabout 10 mi northeast
  • Marathonabout 11 mi north

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Questions about Big Eau Pleine Reservoir

What fish are in Big Eau Pleine Reservoir?

Lakes like Big Eau Pleine Reservoir usually hold walleye, northern pike, largemouth bass, smallmouth bass and yellow perch. Check the state fish and wildlife agency for stocking and limits.

How deep is Big Eau Pleine Reservoir?

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 Big Eau Pleine Reservoir?

About 3,960 acres, with about 36 miles of shoreline.

What town is near Big Eau Pleine Reservoir?

Mosinee is about 5.8 miles east; Stratford is about 6.9 miles west.

What is the water temperature at Big Eau Pleine Reservoir today?

The surface was about 49°F on the latest clear reading. The page updates every day.

Big Eau Pleine Reservoir on your phone

The whole week of bite times, lake alerts and the 3-D view, every morning.

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