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O'Brien Lake is a 76 acre lake located in Iron County. It has a maximum depth of 12 feet. Visitors have access to the lake from a public boat landing. Fish include Panfish and Largemouth Bass.
Visit 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
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Frequently Asked Questions About O'Brien Lake, WI
- How big is O'Brien Lake?
- How deep is O'Brien Lake?
- What kind of fish can you catch in O'Brien Lake?
- What are the closest cities to O'Brien Lake?
- Are there places to stay in the O'Brien Lake area?
- Are there boat launches on O'Brien Lake?
- Are there places to eat and drink near O'Brien Lake?
- What are the fishing regulations for O'Brien Lake?
- What is the bottom compostion of O'Brien Lake?
- What is the average air temp for O'Brien Lake?
- Are there any state parks near O'Brien Lake?
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How big is O'Brien Lake?
O'Brien Lake is approximately 76 sq acres (0.3 sq km) in size.
How deep is O'Brien Lake?
O'Brien Lake is approximately 12 feet (3.7 m) at its deepest point with an average depth of 7 feet (2.1 m).
What kind of fish can you catch in O'Brien Lake?
Although thery may be others but anglers can expect to find a variety of fish including Largemouth Bass and Panfish in O'Brien Lake.
What are the closest cities to O'Brien Lake?
Nearby cities and towns include Iron Belt, WI.
Are there places to stay in the O'Brien 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! O'Brien 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
More Lodging Options
Are there boat launches on O'Brien Lake?
We know of 1 public boat launch on O'Brien Lake. Please observe any specific lake regulations posted by the boat launch and please help keep the launch area free of litter.
Are there places to eat and drink near O'Brien 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 O'Brien Lake?
There are specific fishing regulations O'Brien 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 O'Brien Lake?
O'Brien Lake's bottom composition is comprised of rock (40%), gravel (30%), muck (15%) and sand (15%).Explore the O'Brien 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.
What aquatic invasive species are found in O'Brien Lake?
There are some aquatic invasive species found in O'Brien Lake including Banded Mystery Snail and Chinese Mystery Snail.
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 O'Brien Lake?
Looking forward to your next adventure at O'Brien 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.
Are there any state parks near O'Brien Lake?
Enjoy more of the outdoors with a visit to an area state park. There are 1 state park in the vacinity of O'Brien Lake.
For more Wisconsin State Park information see our State Park Guide.
More Nearby Lakes To Explore
There's more lake's to explore around O'Brien Lake...| DISTANCE | ACRES | MAX DEPTH | |
| Shirley Lake | 2.1 mi | 11 | 18 ft |
| Fifteen Lake | 2.6 mi | 22 | 10 ft |
| Twin Lakes | 2.6 mi | 30 | 7 ft |
| Twin Lakes | 3.1 mi | 22 | 11 ft |
| Pleasant Lake | 3.7 mi | 87 | 16 ft |
| Sack Lake | 4.0 mi | 22 | 7 ft |
| Island Lake | 5.1 mi | 344 | 17 ft |
| Ruby Lake | 5.8 mi | 32 | 10 ft |
| Maki Lake | 6.2 mi | 40 | 14 ft |
| Upson Lake | 6.7 mi | 49 | 17 ft |
DISCLAIMER: Lake-Link Inc assumes no responsibility or liability for any errors or omissions of the information for O'Brien Lake. Although we strive to provide the most accurate information as we can the information contained in this page is provided on an "as is" basis with no guarantees of completeness, accuracy, usefulness or timeliness.
