WI · ranked by public data
26 Bayfield County lakes are at least 50 acres with a current DNR water-clarity reading, out of 336 documented lakes in the county. Updated July 2026.
Bayfield County, WI
30 ft water clarity (Sep 2025) · 190 acres, 55 ft max depth · No verified public access
Bayfield County, WI
24.6 ft water clarity (Oct 2022) · 1,250 acres, 95 ft max depth · 2 public landings
Bayfield County, WI
24 ft water clarity (Jun 2026) · 63 acres, 51 ft max depth · 1 public landing
Bayfield County, WI
23 ft water clarity (Aug 2025) · 157 acres, 59 ft max depth · 1 public landing
Bayfield County, WI
22 ft water clarity (Aug 2025) · 1,024 acres, 92 ft max depth · 1 public landing
Bayfield County, WI
21 ft water clarity (Oct 2025) · 257 acres, 54 ft max depth · No verified public access
Bayfield County, WI
20.5 ft water clarity (Jul 2024) · 88 acres, 51 ft max depth · 1 public landing
Bayfield County, WI
18.5 ft water clarity (Jul 2024) · 159 acres, 43 ft max depth · 1 public landing
Bayfield County, WI
18 ft water clarity (Aug 2025) · 84 acres, 35 ft max depth · 2 public landings
Bayfield County, WI
17 ft water clarity (Jun 2024) · 163 acres, 52 ft max depth · No verified public access
| Rank | Lake | County | Water clarity | Acres | Max depth | Public access |
|---|---|---|---|---|---|---|
| 11 | Middle Eau Claire Lake | Bayfield | 16.8 ft | 880 | 66 ft | 1 landing |
| 12 | Robinson Lake | Bayfield | 13 ft | 89 | 36 ft | 1 landing |
| 13 | Diamond Lakeimpaired | Bayfield | 12.5 ft | 322 | 83 ft | 1 landing |
| 14 | Lake Delta | Bayfield | 12.5 ft | 167 | 30 ft | 1 landing |
| 15 | Tomahawk Lake | Bayfield | 12 ft | 131 | 42 ft | 1 landing |
| 16 | Twin Lakes | Bayfield | 10 ft | 52 | 25 ft | — |
| 17 | Lake Tahkodahimpaired | Bayfield | 9 ft | 148 | 18 ft | 1 landing |
| 18 | Half Moon Lake | Bayfield | 9 ft | 106 | 10 ft | 1 landing |
| 19 | Namekagon Lake | Bayfield | 6.5 ft | 2,897 | 51 ft | 8 landings |
| 20 | Taylor Lake | Bayfield | 6.5 ft | 85 | 15 ft | 1 landing |
| 21 | Jackson Lakeimpaired | Bayfield | 4.5 ft | 149 | 13 ft | — |
| 22 | Bass Lake | Bayfield | 4.5 ft | 81 | 43 ft | 1 landing |
| 23 | Spider Lake | Bayfield | 4.5 ft | 66 | 15 ft | — |
| 24 | Garden Lake | Bayfield | 4 ft | 558 | 23 ft | 1 landing |
| 25 | Birch Lake | Bayfield | 4 ft | 129 | 8 ft | — |
Methodology
FAQ
Bony Lake — By most recent Secchi reading, Bony Lake in Bayfield County is the clearest monitored lake in Bayfield County, with 30 feet of visibility.
Source data: Wisconsin DNR lake and monitoring records as aggregated by LakeList. Figures reflect the most recent documented values, not new surveys — verify access and rules before you go. Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.