Physical Characteristics
| Surface Area (Acres) | 3,462 |
| Maximum Depth (ft) | 84 |
| Mean Depth (ft) | 33 |
| Shoreline (miles) | — |
| Bottom Composition | 55% sand, 19% gravel, 21% rock, 5% muck |
| Water Clarity — Secchi Depth (ft) | — |
| Trophic Status | — |
| Drainage Basin | DRAINAGE |
| Lake Class | lake |
| Public Access | — |
| Township | — |
| GPS Coordinates | 45.83070° N, 89.64750° W |
| WBIC (DNR ID) | 1542700 |
Fish Species
6 species documented
AbundantCommonPresentRare
| Species | Abundance | Last Survey |
|---|---|---|
| Musky | Common | — |
| Panfish | Common | — |
| Smallmouth Bass | Common | — |
| Walleye | Common | — |
| Largemouth Bass | Present | — |
| Northern Pike | Present | — |
Boat Landings
3 landings
| Name | Type | Ramp | Trailers | Fee | ♿ |
|---|---|---|---|---|---|
| Katherine-Tomahawk Channel Carry-in Access | CARRY-IN | — | 0 | No | No |
| Tomahawk Lake - Tomahawk Road Access | RAMP | — | 6-10 | Yes | Yes |
| Lake Tomahawk Park Boat Launch | RAMP | — | Gr25 | Yes | Yes |
Invasive Species
Invasive species have been documented in or near this lake. Please clean, drain, and dry all watercraft and equipment before leaving to prevent spread.
| Species | Status | First Detected |
|---|---|---|
| Banded Mystery Snail | Confirmed | — |
| Chinese Mystery Snail | Confirmed | — |
| Curly-Leaf Pondweed | Confirmed | — |
| Eurasian Water-Milfoil | Confirmed | — |
| Purple Loosestrife | Confirmed | — |
| Rusty Crayfish | Confirmed | — |
| Yellow Iris | Confirmed | — |
Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/29/2026.