Upper Post Lake

Langlade / Oneida, Wisconsin

Upper Post Lake is a 765-acre, low-clarity lake in Langlade and Oneida counties near Elcho with a maximum depth of 14 feet and average depth near 6 feet. Lake-Link lists musky, panfish, largemouth and smallmouth bass, northern pike and walleye.

Air temp in Elcho, WI Loading current temperature…

Map data © OpenStreetMap contributors.

Current air temperature at Upper Post Lake (National Weather Service) ↗

Surface area765 acres

Max depth14 ft

Shoreline—

Boat motorsCheck local ordinances

Species

Fishery rating out of 5.

Crappie●●●○○

Reviews cite crappie as a main draw

Northern Pike●●●○○

Listed by Lake-Link; reviews note promising pike fishing

Walleye●●○○○

Listed; reviews suggest population needs conservation

Muskellunge●●○○○

Listed by Lake-Link

Largemouth Bass●●○○○

Listed by Lake-Link

Smallmouth Bass●●○○○

Listed by Lake-Link

Bluegill●●○○○

Panfish listed

Boat launches

2 launch sites. Fees and hours change, so confirm before you go.

Upper Post Lake public boat landingsPublic
Lake-Link lists 2 public landingsDirections ↗
More public accessPublic
See the WDNR lake page for all landingsDirections ↗

Size & creel limits

Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.

Species	Min size	Daily limit
Walleye Walleye, sauger and hybrids; 20 in to 24 in protected; only 1 over 24 in; May 2, 2026 - Mar 7, 2027	15 in	3 / day
Largemouth Bass May 2 - Jun 19, 2026 (smallmouth catch and release only)	14 in	5 / day
Largemouth/Smallmouth Bass Jun 20, 2026 - Mar 7, 2027	14 in	5 / day
Northern Pike May 2, 2026 - Mar 7, 2027	26 in	2 / day
Muskellunge May 2 - Dec 31, 2026; open water only	40 in	1 / day
Panfish Open all year	See Wisconsin rules book ↗	25 / day
Catfish Open all year	See Wisconsin rules book ↗	10 / day

Other species in this lake: look up the limits at Wisconsin DNR ↗

Verified October 2026. Rules change, so confirm current limits with the Wisconsin DNR before you fish.

Bait & tackle nearby

Closest shops to the lake and its boat launches. Call ahead for live bait and hours.

Summit Lake Gas-N-Go LLCNearby
N9521 US Highway 45, Summit Lake, WI(715) 275-3830 Directions ↗
Lotter's BPNearby
N9184 State Hwy 55, Pickerel, WI(715) 484-7932 Directions ↗
Antigo BP SouthNearby
335 Superior Street, Antigo, WI(715) 627-2508 Directions ↗

Search more bait shops near Upper Post Lake ↗

Local tips

Very shallow with stained water: fish weed edges and sand flats
Curly-leaf pondweed, mystery snails and rusty crayfish are present: clean your gear
Check WDNR regulations before keeping fish

View on interactive map

Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.

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Always wear a life jacket and check your state's current regulations before you fish.