Fish Trap Lake
Morrison County, Minnesota, near Lincoln. DNR lake ID 49013700.
Fish Trap Lake is a 1,164-acre lake in Morrison County, Minnesota, near Lincoln. Its deepest point reaches 42 ft, and about 35% of the lake is shallower than 15 feet. Summer water clarity averages 10.8 feet in Minnesota Pollution Control Agency monitoring, which places it in the mesotrophic nutrient class. The DNR lists it for zebra mussel. DNR surveys document walleye, northern pike, muskellunge, largemouth bass, black crappie, bluegill.
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Quick facts
| DNR lake ID | 49013700 |
|---|---|
| County | Morrison County, near Lincoln |
| Surface area | 1,164 acres |
| Maximum depth | 42 ft |
| Mean depth | 20.5 ft |
| Share under 15 ft | 35% |
| Water clarity (summer) | 10.8 ft through 2025 |
| Phosphorus (summer) | 21.1 µg/L |
| Algae, chlorophyll-a (summer) | 6.4 µg/L |
| Nutrient class | Mesotrophic |
| Clarity trend | Steady (2016 to 2025) |
| Invasive species | zebra mussel |
| Public water accesses | 1 |
Water quality
Summer averages from Minnesota Pollution Control Agency monitoring through 2025: clarity 10.8 ft, phosphorus 21.1 µg/L, algae (chlorophyll-a) 6.4 µg/L. Using the Carlson trophic state index, Fish Trap Lake rates as mesotrophic. Summer clarity trend 2016 to 2025: steady.
Fishing on Fish Trap 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 | 3.83 | 1.3 to 5.5 |
| Northern pike | gill | 6.58 | 3.1 to 8.5 |
| Yellow perch | gill | 26.42 | 2.5 to 24.2 |
| Black crappie | gill | 2.17 | 0.5 to 2.7 |
| Bluegill | gill | 10.83 | n/a |
| Largemouth bass | gill | 2.5 | 0.3 to 1.2 |
| Pumpkinseed | gill | 2.25 | n/a |
| Rock bass | gill | 1.5 | 0.3 to 2.0 |
| Hybrid sunfish | gill | 0.58 | n/a |
Walleye catch was within the typical range for similar lakes in that survey.
Largest fish measured in recent DNR samples: Largemouth bass 14.0 in (2021), Walleye 18.0 in (2022), Northern pike 34.0 in (2021), Smallmouth bass 15.0 in (1994), Muskellunge 41.0 in (2019).
Game and panfish documented since 2005: Walleye, Northern pike, Muskellunge, Largemouth bass, Black crappie, Bluegill, Yellow perch, Pumpkinseed, Hybrid sunfish, Rock bass, Green sunfish, Tullibee (cisco), Bowfin, 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: zebra mussel (listed 2015).
Public boat access
- Fish Trap Lake: 2 concrete slab launch ramps, 1 dock, 24 trailer spaces. 7 miles South of Motley on US Hwy. 10, then 0.25 mile East on Morrison Co. Rd. #3, then 0.25 mile South on Morrison Co. Rd. #35. Directions
DNR water access records (2023). Confirm current conditions with the DNR.
Nearby lakes
- Ham Lake 1.1 mi, Morrison County
- Crookneck Lake 2.3 mi, Morrison County
- Lena Lake 2.7 mi, Morrison County
- Star Lake 3.0 mi, Todd County
- Shamineau Lake 3.1 mi, Morrison County
- Alexander Lake 3.5 mi, Morrison County
- Cranberry Lake 3.7 mi, Todd County
- Round Lake 4.8 mi, Morrison County
Questions about Fish Trap Lake
How deep is Fish Trap Lake?
Fish Trap Lake reaches a maximum depth of 42 ft according to Minnesota DNR records. About 35% of the lake is shallower than 15 feet.
How big is Fish Trap Lake?
Fish Trap Lake covers about 1,164 acres in Morrison County, Minnesota.
How clear is Fish Trap Lake?
Summer water clarity on Fish Trap Lake averages 10.8 feet (Secchi depth) in MPCA monitoring through 2025. Its trophic state is mesotrophic.
Does Fish Trap Lake have zebra mussels or other invasive species?
The Minnesota DNR infested waters list includes Fish Trap Lake for zebra mussel.
What fish are in Fish Trap Lake?
Minnesota DNR surveys document walleye, northern pike, muskellunge, largemouth bass, black crappie, bluegill, yellow perch, pumpkinseed, hybrid sunfish, rock bass in Fish Trap Lake. The most recent standard survey was in 2021.
Where is the public boat access on Fish Trap Lake?
Fish Trap Lake has 1 public water access site on DNR record: Fish Trap Lake.
How is the walleye population on Fish Trap Lake?
In Minnesota DNR net surveys from 1994 to 2021, walleye numbers on Fish Trap 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 Fish Trap Lake?
Homes on Fish Trap 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 Fish Trap Lake and nearby lakes, including off-market opportunities when available.
What is it like to live on Fish Trap Lake?
A mid-size lake with room for boating and fishing, about 35% shallow shoreline under 15 feet, and summer clarity around 10.8 feet. Conditions vary by property, so walk the frontage and ask us what similar homes have sold for.
Are there special fishing regulations on Fish Trap Lake?
Yes. Northern pike 24 to 36 in must be released (one over 36 allowed).
Ask us about Fish Trap 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.