Physical Characteristics
| Surface Area (Acres) | 5,401 |
| Maximum Depth (ft) | 135 |
| Mean Depth (ft) | 61 |
| Shoreline (miles) | — |
| Bottom Composition | 95% sand, 5% gravel, 0% rock, 0% muck |
| Water Clarity — Secchi Depth (ft) | — |
| Trophic Status | — |
| Drainage Basin | SPRING |
| Lake Class | lake |
| Public Access | — |
| Township | — |
| GPS Coordinates | 42.56510° N, 88.50360° W |
| WBIC (DNR ID) | 758300 |
Fish Species
6 species documented
AbundantCommonPresentRare
| Species | Abundance | Last Survey |
|---|---|---|
| Smallmouth Bass | Abundant | — |
| Largemouth Bass | Present | — |
| Northern Pike | Present | — |
| Panfish | Present | — |
| Trout | Present | — |
| Walleye | Present | — |
Boat Landings
6 landings
| Name | Type | Ramp | Trailers | Fee | ♿ |
|---|---|---|---|---|---|
| Lake Geneva - Hillside Road | RAMP | — | 6-10 | Yes | Yes |
| Lake Geneva Access | RAMP | — | 0 | No | No |
| Geneva Lake - Linn Road | RAMP | — | 16-20 | Yes | No |
| Lake Geneva Access | RAMP | — | Gr25 | No | Yes |
| Lake Geneva Boat Launch | RAMP | — | Gr25 | Yes | No |
| Williams Bay Boat Ramp | RAMP | — | Gr25 | Yes | No |
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 | — |
| Curly-Leaf Pondweed | Confirmed | — |
| Eurasian Water-Milfoil | Confirmed | — |
| Quagga Mussel | Confirmed | — |
| Rusty Crayfish | Confirmed | — |
| Starry Stonewort | Confirmed | — |
| Yellow Iris | Confirmed | — |
| Zebra Mussel | Confirmed | — |
Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/30/2026.