Mahnomen, Alstead & Arco Lake
Crow Wing County, Minnesota
Today's Fishing Forecast
Fishing looks to be very active with peak fishing times around 8-9 AM and 3-5 PM. SEE MORE
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We want to see what you've caught on Mahnomen, Alstead & Arco Lake.Frequently Asked Questions About Mahnomen, Alstead & Arco Lake, MN
- How big is Mahnomen, Alstead & Arco Lake?
- How deep is Mahnomen, Alstead & Arco Lake?
- What kind of fish can you catch in Mahnomen, Alstead & Arco Lake?
- Are there fishing guides or charters for Mahnomen, Alstead & Arco Lake?
- What are the closest cities to Mahnomen, Alstead & Arco Lake?
- Are there places to stay in the Mahnomen, Alstead & Arco Lake area?
- Are there places to eat and drink near Mahnomen, Alstead & Arco Lake?
- What are the fishing regulations for Mahnomen, Alstead & Arco Lake?
- What is the average air temp for Mahnomen, Alstead & Arco Lake?
- Are there any state parks near Mahnomen, Alstead & Arco Lake?
How big is Mahnomen, Alstead & Arco Lake?
How deep is Mahnomen, Alstead & Arco Lake?
What kind of fish can you catch in Mahnomen, Alstead & Arco Lake?
Other fish species in the lake include Hybrid Sunfish and White Sucker.
Are there fishing guides or charters for Mahnomen, Alstead & Arco Lake?
What are the closest cities to Mahnomen, Alstead & Arco Lake?
Are there places to stay in the Mahnomen, Alstead & Arco Lake area?
More Lodging Options
Are there places to eat and drink near Mahnomen, Alstead & Arco Lake?
What are the fishing regulations for Mahnomen, Alstead & Arco Lake?
There are specific fishing regulations Mahnomen, Alstead & Arco Lake that you need to know. For complete fishing regulations visit the Minnesota Department of Natural Resources. To report a violation call (800) 652-9093. Need a Minnesota fishing license?
Explore the Mahnomen, Alstead & Arco Lake area in a RV
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What aquatic invasive species are found in Mahnomen, Alstead & Arco Lake?
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.
History & Status of the Fishery
Mahnomen Lake is a complex of former open pit iron ore mines located in the Cuyuna Country State Recreation Area. The Mahnomen complex includes (from east to west) the Mahnomen No. 1, Louise, Mahnomen No. 2 and 3, Arco, and Alstead mines. Temperature and oxygen conditions suitable for trout occurred from a depth of about 20' down to around 70'. Rainbow Trout were first stocked in 1982 and are stocked annual as yearlings (15,000/year) into the Mahnomen complex and connected Pennington. Rainbow Trout provide for a popular fishery, especially early in the season. Rainbow Trout were sampled at 4.6/gill net which was the highest catch to date. Average length was 10.9".
Lake Trout were first stocked in Mahnomen in 2019 and are stocked biennially as yearlings (1,670/year). No Lake Trout were sampled in this survey, although there are reports of anglers catching a few. Tullibee (Cisco) were also stocked in 2019 to provide forage for the Lake Trout. Tullibee (Cisco) were sampled in low numbers, when compared to similar lakes, at 0.6/gill net.
Northern Pike were sampled in low numbers at 1.0/gill net. Average length was 21.6", with 8% in the protected 22"-26" slot, and 50% at least 26.0" in length. Northern Pike up to 31.7" were sampled.
Largemouth Bass were sampled in average numbers, when compared to similar lakes, at 1.3/gill net. Average length was 12.0", with fish up to 20.5" sampled. Smallmouth Bass were also sampled in average numbers at 0.3/gill net. Average length was 17.2".
Mahnomen is a designated stream trout lake. Designated stream trout lakes have additional angling regulations. Be sure to consult the current Minnesota Fishing Regulations book for regulations, seasons, and possession limits before fishing designated trout waters.
Zebra mussels are present in Mahnomen Lake. Before and after launching lake users are required to inspect and remove any aquatic plants and animals from their watercraft and trailers as well as pull the plug and drain all water from the watercraft, including bilges, livewells and baitwells.
What is the average air temp for Mahnomen, Alstead & Arco Lake?
Are there any state parks near Mahnomen, Alstead & Arco Lake?
Cuyuna Country State Recreation Area
Crow Wing State Forest
Pillsbury State Forest
Crow Wing State Park
More Nearby Lakes To Explore
There's more lake's to explore around Mahnomen, Alstead & Arco Lake...| DISTANCE | ACRES | MAX DEPTH | |
| Mahnomen Lake | 0.6 mi | 210 | 25 ft |
| Pennington Mine Lake | 0.6 mi | 62 | 259 ft |
| Huntington Mine Lake | 0.9 mi | 94 | 258 ft |
| Unnamed Lake | 1.0 mi | 47 | |
| June Lake | 1.1 mi | 100 | 51 ft |
| Morroco Mine Lake | 1.3 mi | 78 | 265 ft |
| Portsmouth Mine Lake | 1.4 mi | 146 | 395 ft |
| Black Hoof Lake | 1.4 mi | 201 | 29 ft |
| Pascoe Lake | 1.6 mi | 68 | 12 ft |
| Portage Lake | 1.7 mi | 76 | 31 ft |
