WI · ranked by public data
22 Ashland County lakes are at least 50 acres with a documented maximum depth, out of 88 documented lakes in the county. Updated July 2026.
Ashland County, WI
48 ft maximum depth · 50 acres · No verified public access
Ashland County, WI
40 ft maximum depth · 232 acres · 1 public landing · DNR impairment listed
Ashland County, WI
29 ft maximum depth · 227 acres · 1 public landing · DNR impairment listed
Ashland County, WI
28 ft maximum depth · 132 acres · 1 public landing
Ashland County, WI
25 ft maximum depth · 86 acres · 1 public landing · DNR impairment listed
Ashland County, WI
24 ft maximum depth · 173 acres · No verified public access
Ashland County, WI
24 ft maximum depth · 75 acres · 1 public landing · DNR impairment listed
Ashland County, WI
23 ft maximum depth · 212 acres · 1 public landing
Ashland County, WI
20 ft maximum depth · 578 acres · 2 public landings
Ashland County, WI
20 ft maximum depth · 168 acres · 1 public landing
| Rank | Lake | County | Max depth | Acres | Public access |
|---|---|---|---|---|---|
| 11 | Beaverdam Lake | Ashland | 19 ft | 97 | — |
| 12 | East Twin Lake | Ashland | 15 ft | 112 | 2 landings |
| 13 | Twin Lakes | Ashland | 14 ft | 58 | — |
| 14 | Long Lake | Ashland | 13 ft | 111 | 1 landing |
| 15 | Lake Threeimpaired | Ashland | 13 ft | 61 | 1 landing |
| 16 | McLaren Lake | Ashland | 12 ft | 67 | — |
| 17 | Little Clam Lake | Ashland | 11 ft | 147 | 1 landing |
| 18 | Augustine Lake | Ashland | 10 ft | 171 | 1 landing |
| 19 | Meder Lake | Ashland | 10 ft | 135 | 1 landing |
| 20 | Bear Lake | Ashland | 9 ft | 184 | — |
| 21 | Caroline Lake | Ashland | 8 ft | 122 | 1 landing |
| 22 | Moquah Lake | Ashland | 8 ft | 65 | — |
Methodology
FAQ
Tea Lake — Tea Lake in Ashland County is the deepest documented lake in Ashland County, at 48 feet maximum depth.
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.