Lakes / Wisconsin / Juneau County
Lakes in Juneau County, Wisconsin
12 lakes counted in Juneau County - the largest is Petenwell Lake at 23,173 acres.
12
Lakes Counted
23,173 acres
Largest - Petenwell Lake
44 ft
Deepest - Petenwell Lake
Juneau County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Petenwell Lake | Adams, Wood, Juneau | 23,173 acres | 44 ft |
| 2 | Castle Rock Lake | Adams, Juneau | 13,955 acres | 35 ft |
| 3 | Sprague-Mather Flowage | Juneau | 810 acres | 9 ft |
| 4 | Rynearson Flowage No. 1 | Juneau | 555 acres | 14 ft |
| 5 | Meadow Valley Flowage | Juneau | 439 acres | 8 ft |
| 6 | Number Two Pool | Juneau | 434 acres | None ft |
| 7 | Eagle Nest Flowage | Juneau | 350 acres | 12 ft |
| 8 | Decorah Lake | Juneau | 314 acres | 15 ft |
| 9 | New Lisbon Lake | Juneau | 196 acres | 15.2 ft |
| 10 | Necedah Lake | Juneau | 189 acres | 15 ft |
| 11 | Goose Pool | Juneau | 124 acres | None ft |
| 12 | Big Lake | Jackson, Juneau | 108 acres | 8 ft |
Sources: Wisconsin DNR lake data; USGS. Verified October 28, 2026.