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Long Lake

Iron County - Wisconsin
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Long Lake is a 370 acre lake located in Iron County. It has a maximum depth of 34 feet. Fish include Musky, Panfish, Largemouth Bass, Smallmouth Bass, Northern Pike and Walleye. The lake's water clarity is low.

Explore Mercer, WI

From the vast water wonderland of the 14,300 acre Turtle Flambeau Flowage to the far-reaching wilderness of the 74,500 acres of public forestland, Mercer offers authentic outdoor adventures that you will remember long after you?ve returned home.

Whether you choose to explore on snowmobile, ATV, car, camper, bike, boat, skis, or by foot, you are sure to discover the unending, unique fascination of the Northwoods.

Every season offers a new way to experience our natural beauty. The quiet of winter snow is broken by the sounds of spring peepers that fade as the loon?s calls fill the lakes in the summer. Finally, the woods explode in a riot of color in autumn and then the cycle begins again. That?s the beauty of Mercer. You can?t go wrong... life is outdoors.

For more information on things to do and see check out mercercc.com

Visit The Turtle Flambeau Flowage

The Turtle Flambeau Scenic Wilderness Waters Area and Trude Lake is comprised of nearly 19,000 acres of water and 35,500 acres of public land for you to use and enjoy throughout the year. Unlike Canada, there is no passport required. Unlike Minnesota?s Boundary Waters, there are no permits required.

The Flowage is truly a water wonderland, offering countless opportunities for outdoor adventure. The Turtle Flambeau Flowage is a natural choice for outdoor living, with accommodations for any style of "roughing it".
For more information on things to do and see check out turtleflambeauflowage.com

Share your catch!
We want to see what you've caught on Long Lake.
Caught by Alex Hoefert
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Frequently Asked Questions About Long Lake, WI

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How big is Long Lake?
Long Lake is approximately 370 sq acres (1.5 sq km) in size.

How deep is Long Lake?
Long Lake is approximately 34 feet (10.4 m) at its deepest point with an average depth of 13 feet (4.0 m).

What kind of fish can you catch in Long Lake?
Although thery may be others but anglers can expect to find a variety of fish including Largemouth Bass, Muskie, Northern Pike, Panfish, Smallmouth Bass and Walleye in Long Lake.


Are there fishing guides or charters for Long Lake?
Yes! There are fishing guides and charters for Long Lake and/or the surrounding area. Might we suggest Bobber Down Guide Service?

What are the closest cities to Long Lake?
Nearby cities and towns include Mercer, WI.

Are there places to stay in the Long Lake area?
Are you craving a weekend escape from the hustle and bustle of city life? Or maybe you're an avid angler in search of the perfect fishing spot? Look no further! Long Lake and its surrounding area offer an abundance of options to suit your needs. If you're in need of accommodation, check out our area map which highlights some of the best places to stay. And if you're looking for even more options, head on over to our Travel section. But why settle for a traditional hotel or resort when you can take your adventure to the next level by renting a RV? The open road awaits you!
More Lodging Options
Lake-Link Featured Lodging
Business Card: Gateway Lodge & Resort
Gateway Lodge & Resort
Mercer, WI
(715) 476-7878
about 10 miles away
Business Card: Sunrise Resort
Sunrise Resort
Presque Isle, WI
(715) 686-2414
about 11 miles away

Are there topographical lake maps available Long Lake?
We have an topograpical map for online viewing near the top of this page. Lake-Link Pro users can download an print a topograpical map of Long Lake (.pdf format) along with 2,700 more lake maps. For more information on all the benefits of Lake-Link Pro click here.

Long Lake area businesses:
Please check out these local businesses in the Long Lake area:
Business Card: Mercer Wisconsin Chamber of Commerce
Mercer Wisconsin Chamber of Commerce
Mercer, WI
(715) 476-2389
about 6 miles away
Business Card: Gateway Lodge & Resort
Gateway Lodge & Resort
Mercer, WI
(715) 476-7878
about 10 miles away
Business Card: Sunrise Resort
Sunrise Resort
Presque Isle, WI
(715) 686-2414
about 11 miles away
Business Card: Turtle Flambeau Flowage Association
Turtle Flambeau Flowage Association
Mercer, WI
about 14 miles away

Are there places to eat and drink near Long Lake?
Yes, you can find numerous options in the area. Click the button below to see what's nearby.

What are the fishing regulations for Long Lake?
Wisconsin Department of Natural Resources There are specific fishing regulations Long Lake that you need to know. For complete fishing regulations visit the Wisconsin Department of Natural Resources. To report a violation call (800) 847-9367 or cell #367. Need a Wisconsin fishing license?

General Restrictions
  • Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.
  • Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted.

What is the bottom composition of Long Lake?
Long Lake's bottom composition is comprised of sand (50%), gravel (40%) and muck (10%).

Explore the Long Lake area in a RV
Are you looking for an adventurous vacation option that won't break the bank? Look no further than renting an RV! Contrary to popular belief, the process is much simpler than you might imagine. With just a few easy steps, you'll soon be experiencing the ultimate freedom and convenience of exploring the open road in your very own recreational vehicle. And the best part? RV travel can save you up to 60% compared to other types of vacations! With the money you'll save, you'll be able to travel even more and create unforgettable memories along the way. So why wait? Start planning your next adventure today with an RV rental. Learn more about renting a RV.

2021 Heartland M335
2021 Heartland M335
36 ftSleeps 4
Manitowish Waters, WI
$175/nightMORE
2004 Jayco Jay Flight
2004 Jayco Jay Flight
29 ftSleeps 4
Manitowish Waters, WI
$115/nightMORE
2014 Keystone RV Cougar? 3 slides!!
2014 Keystone RV Cougar? 3 slides!!
40 ftSleeps 5
Ironwood, MI
$155/nightMORE
2013 Mercedes-Benz Navion
2013 Mercedes-Benz Navion
25 ftSleeps 4
Hurley, WI
$185/nightMORE
More RV Options
What aquatic invasive species are found in Long Lake?
There are some aquatic invasive species found in Long Lake including Eurasian Water-Milfoil.

Join us in the fight to prevent the spread of invasive species These sneaky creatures can hitch a ride on boats, clinging onto propellers, anchor lines, and trailers. They can even survive in hidden places like bilge water and ballast tanks, or disguise themselves in dirt and sand that sticks to nets, buckets, anchors, and waders. But don't worry, we have the power to stop them in their tracks with just a few simple steps. So let's do our part and protect our waters from these unwanted invaders.


What is the average air temp for Long Lake?
Looking forward to your next adventure at Long Lake? Don't forget to plan ahead! Weather can be unpredictable, but we've got you covered. On average, air temperatures during this time of year range from a high around 50°F (10°C) to a low around 30°F (-1°C). Of course, these are just historical averages, so be prepared for anything Mother Nature throws your way. For the most up-to-date weather information, be sure to check out our Weather Bar located at the top of this page.

Long Lake Reviews
Below is the word on street about Long Lake.
Have you been to Long Lake? Why not share your personal reveiw with others?
Submit Review
walleye h.
4 star rating
Its a sleeper lake. Lots of big fish if you know how to fish it
Reviewed Mar 22, 2008
eric l.
3 star rating
Long lake is a challening lake to catch fish on.
Reviewed Jun 25, 2004
chris m.
3 star rating
I like this lake on the weekdays because the weekend fisherman really pound it. You can get action in the low traffic areas fairly easily, but getting them IN the boat is another story.
Reviewed May 16, 2003

More Nearby Lakes To Explore
There's more lake's to explore around Long Lake...
DISTANCE ACRES MAX DEPTH
American Lake 0.9 mi 10 20 ft
Clear Lake 1.2 mi 66 20 ft
Hawk Lake 1.4 mi 28 24 ft
Deertail Lake 1.8 mi 10 20 ft
Lake Barbara 1.9 mi 27 12 ft
Bass Lake 2.0 mi 15 35 ft
Virgin Lake 2.2 mi 102 45 ft
Oak Lake 2.3 mi 30 42 ft
Lake Dorothy 2.3 mi 21 26 ft
Beaver Lake 2.4 mi 17 21 ft
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