Physical Characteristics
| Surface Area (Acres) | 765 |
| Maximum Depth (ft) | 14 |
| Mean Depth (ft) | 6 |
| Shoreline (miles) | — |
| Bottom Composition | 75% sand, 4% gravel, 1% rock, 20% muck |
| Water Clarity — Secchi Depth (ft) | — |
| Trophic Status | — |
| Drainage Basin | DRAINAGE |
| Lake Class | lake |
| Public Access | — |
| Township | — |
| GPS Coordinates | 45.45960° N, 89.08530° W |
| WBIC (DNR ID) | 399200 |
Fish Species
6 species documented
AbundantCommonPresentRare
| Species | Abundance | Last Survey |
|---|---|---|
| Northern Pike | Abundant | — |
| Panfish | Abundant | — |
| Largemouth Bass | Common | — |
| Musky | Present | — |
| Smallmouth Bass | Present | — |
| Walleye | Present | — |
Boat Landings
2 landings
| Name | Type | Ramp | Trailers | Fee | ♿ |
|---|---|---|---|---|---|
| Upper Post Lake - West Access | RAMP | — | 1-5 | Yes | No |
| Upper Post Lake - South Access | RAMP | — | 6-10 | 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 | — |
| Chinese Mystery Snail | Confirmed | — |
| Curly-Leaf Pondweed | Confirmed | — |
| Eurasian Water-Milfoil | Confirmed | — |
| Purple Loosestrife | Confirmed | — |
| Rusty Crayfish | Confirmed | — |
Data sourced from Wisconsin DNR lake surveys. Last scraped: 4/30/2026.