Alexander Lake
Morrison County, Minnesota, near Randall. DNR lake ID 49007900.
Alexander Lake is a 2,709-acre lake in Morrison County, Minnesota, near Randall. Its deepest point reaches 64 ft, and about 31% of the lake is shallower than 15 feet. Summer water clarity averages 16.4 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. The DNR lists it for Eurasian watermilfoil, zebra mussel. DNR surveys document walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, black crappie.
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Quick facts
| DNR lake ID | 49007900 |
|---|---|
| County | Morrison County, near Randall |
| Surface area | 2,709 acres |
| Maximum depth | 64 ft |
| Mean depth | 28.0 ft |
| Share under 15 ft | 31% |
| Water clarity (summer) | 16.4 ft through 2025 |
| Phosphorus (summer) | 16.1 µg/L |
| Algae, chlorophyll-a (summer) | 3.5 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | Eurasian watermilfoil, zebra mussel |
| Public water accesses | 2 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 16.4 ft, phosphorus 16.1 µg/L, algae (chlorophyll-a) 3.5 µg/L. Using the Carlson trophic state index, Alexander Lake rates as mesotrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Alexander Lake
The most recent DNR standard fish survey was in 2021 (5 years ago). Catch per net is compared with the DNR’s typical range for lakes of the same type.
| Species | Net | Catch per net | Typical range |
|---|---|---|---|
| Walleye | gill | 2.87 | 4.0 to 9.6 |
| Northern pike | gill | 3.0 | 3.0 to 7.9 |
| Yellow perch | gill | 4.53 | 7.1 to 33.9 |
| Black crappie | gill | 0.4 | 0.2 to 1.1 |
| Bluegill | gill | 7.33 | n/a |
| Largemouth bass | gill | 0.73 | 0.3 to 1.2 |
| Smallmouth bass | gill | 9.6 | 0.2 to 0.9 |
| Muskellunge | gill | 0.07 | 0.1 to 0.3 |
| Tullibee (cisco) | gill | 0.13 | 0.5 to 5.2 |
| Pumpkinseed | gill | 2.4 | n/a |
| Rock bass | gill | 4.13 | 1.0 to 6.6 |
| Hybrid sunfish | gill | 0.6 | n/a |
Walleye catch was below the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Northern pike 35.0 in (2022), Walleye 24.0 in (2022), Muskellunge 33.0 in (2022), Smallmouth bass 19.0 in (2022), Largemouth bass 18.0 in (2022).
Game and panfish documented since 2005: Walleye, Northern pike, Muskellunge, Largemouth bass, Smallmouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Tullibee (cisco), Bowfin, Common carp, Shorthead redhorse, White sucker, Yellow bullhead, Brown bullhead, Black bullhead.
Fishing regulations
- Northern pike 24 to 36 in must be released (one over 36 allowed). (Minnesota Rules 6264.0400, April 2026)
Regulations change. Confirm with the DNR before fishing.
Invasive species
On the Minnesota DNR infested waters list for: Eurasian watermilfoil (listed 2004), zebra mussel (listed 2019).
Public boat access
- Alexander Lake (E): 1 concrete slab launch ramp, 1 dock, 20 trailer spaces. 8 miles North of Randall on Morrison Co. Rd. #6. Directions
- Alexander Lake (W): 2 concrete slab launch ramps, 1 dock, 35 trailer spaces. 7 miles South of Motley on US Hwy. 10, then 2.5 miles East on Morrison Co. Rd. #3, then 0.25 mile South on Township Road. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Lagerquist Lake 2.6 mi, Morrison County
- Ham Lake 2.8 mi, Morrison County
- Round Lake 2.9 mi, Morrison County
- Fish Trap Lake 3.5 mi, Morrison County
- Crookneck Lake 4.0 mi, Morrison County
- Stanchfield Lake 4.0 mi, Morrison County
- Shamineau Lake 4.1 mi, Morrison County
- Lena Lake 5.1 mi, Morrison County
Questions about Alexander Lake
How deep is Alexander Lake?
Alexander Lake reaches a maximum depth of 64 ft according to Minnesota DNR records. About 31% of the lake is shallower than 15 feet.
How big is Alexander Lake?
Alexander Lake covers about 2,709 acres in Morrison County, Minnesota.
How clear is Alexander Lake?
Summer water clarity on Alexander Lake averages 16.4 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is mesotrophic.
Does Alexander Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Alexander Lake for Eurasian watermilfoil, zebra mussel.
What fish are in Alexander Lake?
Minnesota DNR surveys document walleye, northern pike, muskellunge, largemouth bass, smallmouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish in Alexander Lake. The most recent standard survey was in 2021.
Where is the public boat access on Alexander Lake?
Alexander Lake has 2 public water access sites on DNR record: Alexander Lake (E); Alexander Lake (W).
How is the walleye population on Alexander Lake?
In Minnesota DNR net surveys from 1990 to 2021, walleye numbers on Alexander Lake ran mostly within the typical range for similar lakes. Nets measure how many fish a lake holds, not where they’re biting, so local guides are the best source for current fishing.
Are there lake homes for sale on Alexander Lake?
Homes on Alexander Lake come up for sale throughout the year, and some sell before they’re ever publicly advertised. Tell us what you’re looking for and our agents will run a custom search and send you matching homes on Alexander Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Alexander Lake?
Big water with room for long boat rides and wake sports, about 31% shallow shoreline under 15 feet, and summer clarity around 16.4 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Alexander Lake?
Yes. Northern pike 24 to 36 in must be released (one over 36 allowed).
Ask us about Alexander Lake
Whether you’re buying, selling, or just curious, our team works Morrison County lakes every day. Send us a note or call (218) 656-6469.
Sources: Minnesota DNR LakeFinder records, DNR fish surveys (latest 2021), DNR infested waters list (Sept 2026), Minnesota Rules 6264.0400 (April 2026), MPCA monitoring via the Water Quality Portal, DNR water access records (2023), LAGOS-US. Lakewide information from public data; it does not describe any specific property. Verify shoreline, bottom type, and depth at any frontage.