Lone Tree Slough
A 90-acre lake near Graceville in Big Stone County — best known for walleye and panfish. Last surveyed 2024.
Fish Species (3)
Walleye
Stocked 2024Large fish
Trap-net survey · surveyed May 2024
Catch rate: 1.7 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 22, 2024 | 1.67 | 20.2" | 3.52 lbs |
| Jul 5, 2022 | 4.78 | 17.7" | 2.06 lbs |
Stocking Details
| Year | Size | Number | Pounds |
|---|---|---|---|
| 2024 | fry | 100,000 | 0.9 |
| 2023 | fry | 101,427 | 0.8 |
| 2022 | fry | 100,000 | 0.9 |
| 2021 | fry | 100,000 | 0.9 |
| 2019 | fry | 157,478 | 1.3 |
| 2018 | fry | 100,000 | 0.8 |
| 2016 | fry | 100,592 | 1.0 |
Yellow Perch
Small fish
Trap-net survey · surveyed May 2024
Catch rate: 6.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 22, 2024 | 6.00 | 5.3" | 0.09 lbs |
| Jul 5, 2022 | 2.44 | 5.0" | 0.10 lbs |
Other species in this lake (1)
Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.
Black Bullhead
Above-normal numbers
Trap-net survey · surveyed May 2024
Catch rate: 20.3 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 22, 2024 | 20.33 | 7.2" | 0.36 lbs |
| Jul 5, 2022 | 328.44 | 6.9" | 0.02 lbs |
Biologist Notes
May 22, 2024Lone Tree Slough is a shallow, 67-acre lake located three miles southeast of Graceville in Big Stone County. There is no designated boat ramp but acce…
Lone Tree Slough is a shallow, 67-acre lake located three miles southeast of Graceville in Big Stone County. There is no designated boat ramp but access can be gained from 720th avenue through the road right-of-way. Despite periodic low winter oxygen levels, Lone Tree has provided good walleye fishing for many years. Walleye fry are routinely stocked. The 2024 survey showed a moderate number of walleyes with most from 17 to 26 inches. Black bullheads and yellow perch were also present. Most perch were between 5 and 6 inches, but some were over nine inches.
July 5, 2022Lone Tree Slough is a shallow, 67-acre lake located three miles southeast of Graceville in Big Stone County. Management, since 2016, has included regu…
Lone Tree Slough is a shallow, 67-acre lake located three miles southeast of Graceville in Big Stone County. Management, since 2016, has included regular Walleye fry stocking. There is no boat launch but access can be gained from 720th avenue through the road right-of-way. Despite periodic low winter oxygen levels, Lone Tree has provided good Walleye fishing for many years. In 2022, a trap net survey showed a healthy Walleye population with four year classes and many were 17-19 inches. Other species caught were abundant Black Bullheads and small Yellow Perch.
Frequently Asked Questions
What fish can you catch in Lone Tree Slough?
Based on Minnesota DNR survey data, anglers target Walleye and Yellow Perch in Lone Tree Slough. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Lone Tree Slough?
We don't have a confirmed public access point on record for Lone Tree Slough. Check the DNR LakeFinder page for current access details before you go.
How deep is Lone Tree Slough?
Lone Tree Slough has a maximum depth of 8.5 feet, per Minnesota DNR data.
When were the main sport fish in Lone Tree Slough last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Lone Tree Slough is from 2024.
Does Lone Tree Slough have any invasive species?
No invasive species are on record for Lone Tree Slough in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.
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Walleye
Lake Details
- Surface Area
- 90.02 acres
- Max Depth
- 8.5 ft
- Shoreline
- 1.75 mi
- Public Access
- Not confirmed