Fourth
A 58-acre lake near Walker in Cass County — best known for panfish and pike. Last surveyed 1991.
Fish Species (9)
Hybrid Sunfish
Above-normal numbers
Trap-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 2.8 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 2.75 | - | 0.45 lbs |
Pumpkinseed
Typical numbers
Trap-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 1.8 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 1.75 | - | 0.16 lbs |
Bluegill
Typical numbers
Trap-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 13.8 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 13.75 | - | 0.11 lbs |
| Jun 19, 1991 | 1.00 | - | 0.05 lbs |
Northern Pike
Typical numbers
Gill-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 5.5 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 5.50 | - | 1.87 lbs |
| Jun 19, 1991 | 0.75 | - | 0.97 lbs |
Black Crappie
Below-normal numbers
Gill-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 1.0 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 1.00 | - | 0.25 lbs |
Largemouth Bass
Trap-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 0.5 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 0.50 | - | 0.25 lbs |
| Jun 19, 1991 | 0.50 | - | 1.70 lbs |
Yellow Perch
Trap-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 0.25 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 0.25 | - | 0.20 lbs |
Other species in this lake (2)
Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.
Yellow Bullhead
Above-normal numbers
Trap-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 3.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 3.00 | - | 0.28 lbs |
Brown Bullhead
Gill-net survey · surveyed Jun 1991
Last surveyed 1991 — treat with caution
Catch rate: 1.0 per gill net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jun 19, 1991 | 1.00 | - | 0.25 lbs |
Biologist Notes
June 19, 1991WHEN COMBINING THE DATA FROM THE TWO BASINS, NORTHERN PIKE WERE CAUGHT AT A RATE OF 6.00/GN LIFT. THEY RANGED IN LENGTH FROM 13 TO 31 INCHES, WITH THE…
WHEN COMBINING THE DATA FROM THE TWO BASINS, NORTHERN PIKE WERE CAUGHT AT A RATE OF 6.00/GN LIFT. THEY RANGED IN LENGTH FROM 13 TO 31 INCHES, WITH THE MODAL LENGTH GROUP BEING 18 INCHES. GROWTH WAS GOOD FOR ALL AGES. ONE CISCO WAS CAUGHT IN THE GILLNETS IN THE SOUTHWEST BASIN, WHERE SUFFICIENT OXYGEN AND COOLER TEMPERATURES ARE FOUND IN DEEPER WATER.WHEN COMBINING THE DATA FOR THE TWO BASINS, BLUEGILL ABUNDANCE WAS 14.25/TN LIFT. THERE WAS A DISTINCT DIFFERENCE IN THE SIZE OF THE BLUEGILL BETWEEN THE TWO BASINS. THE SOUTHWEST BASIN HAD A MODE OF 7.0-7.4 INCHES AND RSD-7=31 AND THE NORTHEAST BASIN HAD A MODE OF 3.5-3.9 INCHES AND RSD-7=12. THE GROWTH WAS SLOW FOR ALL AGES. BLACK CRAPPPIE WERE ONLY CAUGHT IN TRAPNETS IN THE SOUTHWEST BASIN (5.5/LIFT). THE MODAL LENGTH GROUP WAS 8.5-8.9 INCHES AND THE RSD-10=17 AND PSD=65. ONLY ONE WALLEYE WAS CAUGHT BETWEEN THE TWO BASINS AND IT WAS IN A TRAPNET.FEW LARGEMOUTH BASS WERE CAUGHT BECAUSE OF GEAR TYPES. THE BASS THAT WERE CAUGHT VARIED FROM 6 TO 13 INCHES. THE LAKE IS KNOWN FOR GOOD BASS FISHING.
Frequently Asked Questions
What fish can you catch in Fourth?
Based on Minnesota DNR survey data, anglers target Hybrid Sunfish, Pumpkinseed, Bluegill, Northern Pike, and Black Crappie in Fourth. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Fourth?
We don't have a confirmed public access point on record for Fourth. Check the DNR LakeFinder page for current access details before you go.
How deep is Fourth?
Fourth has a maximum depth of 65 feet, per Minnesota DNR data.
When were the main sport fish in Fourth last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Fourth is from 1991. Surveys this old should be treated with some caution — fish populations change over time.
Does Fourth have any invasive species?
No invasive species are on record for Fourth in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.
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Lake Details
- Surface Area
- 58.36 acres
- Max Depth
- 65 ft
- Shoreline
- 1.76 mi
- Public Access
- Not confirmed