Sidie Hollow Lake
Vernon County, Wisconsin · WBIC 1641400
The DNR lists this lake's watershed (Bad Axe River) as suspect or infected with VHS, a fish virus. The listing covers the watershed, not a test of this lake. About VHS
Size
38 acres
Max depth
22 ft
DNR lake type
Simple, Riverine
Water clarity
4 ft
Low, measured Jul 2022
A river-like water type, with flow instead of a still basin. This describes the lake type in general, not this lake in particular.
Outline
Numbered dots are boat landings; tap one for directions. The list below has the same numbers. Drawn from the DNR's 24K hydrography (surveyed 1985), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
4 ft Secchi depthLow
Last measured Jul 1, 2022. 76 readings on record, 1988 to 2022.
Typical summer clarity (June to September): 5.5 ft, moderate, from 12 readings (2015 to 2022).
Secchi depth is how far down a white disk stays visible. A bigger number means clearer water. Clear means a Secchi depth of 10 feet or more, moderate 5 to 10 feet, low under 5 feet.
Wisconsin DNR water monitoring (volunteer and staff), via the Water Quality Portal; station SIDIE HOLLOW LAKE - DEEP HOLE. Checked Oct 23, 2026.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Apr 10 (Apr 6 to Apr 20)
- Surface reaches 48°Fabout Apr 19 (Apr 13 to Apr 26)
- Surface reaches 64°Fabout May 7 (Apr 20 to May 9)
- June surface75°F, usually 74 to 77°F
- July surface81°F, usually 79 to 82°F
- August surface77°F, usually 75 to 79°F
Forms a warm top layer around Apr 24, lasting about 159 days.
A computer model of this lake's typical weather and water, built from 15 years, 2005 to 2019. Ranges show the middle half of years. The model was not calibrated against measured temperatures for this lake. It is an estimate, not a measurement.
Modeled: U.S. Geological Survey lake temperature data release (doi:10.5066/P9CA6XP8).
Today at the lake
Forecast: National Weather Service (no endorsement implied). Sunrise, sunset and moon phase are calculated. The moon phase can be a day off.
Stocking history
- Rainbow Troutlast stocked 2024 (yearling); stocked in 4 years since 2010
- Brook Troutlast stocked 2018 (yearling); stocked in 5 years since 2010
Stocking shows what was added to the lake, not what is in it now.
Wisconsin DNR annual fish stocking summary. Checked Oct 23, 2026.
Boat landings
- 1Sidie Hollow County Park Boat RampBoat ramp · Concrete surface · County
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Vernon County
- Runge Hollow Lake5.8 miles away
- Seas Branch Pond8.2 miles away
- Jersey Valley Lake13 miles away
- Field Veterans Memorial Lake32 miles away
Where this comes from
- Size, depth and lake typeWisconsin DNR lake classifications, checked Oct 23, 2026
- OutlineWisconsin DNR 24K hydrography, checked Oct 23, 2026
- Stocking historyWisconsin DNR annual fish stocking summary, checked Oct 23, 2026
- Regulations linkWisconsin DNR fishing regulations (linked, not restated), checked Oct 23, 2026
- Boat landingsWisconsin DNR public boat access sites, checked Oct 23, 2026
- Water clarityWisconsin DNR water monitoring, via the Water Quality Portal, checked Oct 23, 2026
- Typical-year temperatureU.S. Geological Survey lake temperature model (modeled estimate), checked Oct 23, 2026
- VHS statusWisconsin DNR VHS status by watershed, checked Oct 24, 2026
- Depth map linkWisconsin DNR lake maps list, checked Oct 24, 2026
See data sources for what each source covers, and about for how the numbers are matched to lakes.
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