Hill Slough
Sauk County, Wisconsin · WBIC 1241200
The DNR lists this lake's watershed (City of Spring Green-Wisconsin River) as suspect or infected with VHS, a fish virus. The listing covers the watershed, not a test of this lake. About VHS
This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations
Size
4.0 acres
Max depth
7 ft
DNR lake type
Complex, Riverine
Water clarity
6.1 ft
Moderate, measured Oct 2025
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
Drawn from the DNR's 24K hydrography (surveyed 1983), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
6.1 ft Secchi depthModerate
Last measured Oct 29, 2025. 8 readings on record, 2012 to 2025.
Typical summer clarity (June to September): 5.3 ft, moderate, from 6 readings (2012 to 2025).
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 Hill Slough. Checked Oct 23, 2026.
Water temperature
Last measured Oct 29, 2025, too long ago to show as the current temperature.
Measured: Wisconsin DNR via the Water Quality Portal (checked Oct 23, 2026).
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
- Northern Pikelast stocked 2015 (fry); stocked in 1 year since 2010
- Walleyelast stocked 2015 (fry); stocked in 1 year 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
- Hill Slough AccessCarry-in access · State(dnr)
Some landings are matched to this lake by name only, because the DNR list gives no location for them. They have no pin.
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Sauk County
- Bakkens Pond2.8 miles away
- Hutter Slough3.5 miles away
- Norton Slough4.0 miles away
- Jones Slough4.4 miles away
- White Mound Lake13 miles away
- Leland Millpond14 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
- VHS statusWisconsin DNR VHS status by watershed, 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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