Dutch Hollow Lake
Sauk County, Wisconsin · WBIC 1286500
This lake has fishing rules that differ from the standard ones for its area. Check the official rules before you fish. Official regulations
Size
210 acres
Max depth
40 ft
DNR lake type
Complex, Warm, clear water color
Water clarity
11 ft
Clear, measured Aug 2025
A warm-water lake type: the DNR groups it with lakes that warm up through summer. 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 1975), so the shape is approximate and a landing can sit a little off the shore. Open the DNR lake map.
Water clarity
11 ft Secchi depthClear
Last measured Aug 29, 2025. 189 readings on record, 1990 to 2025.
Typical summer clarity (June to September): 13 ft, clear, from 51 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 Dutch Hollow Lake - Deep Hole. Checked Oct 23, 2026.
Water temperature
A typical year Modeled estimate
- Ice goes outabout Apr 9 (Apr 3 to Apr 17)
- Surface reaches 48°Fabout Apr 23 (Apr 16 to May 2)
- Surface reaches 64°Fabout May 13 (May 8 to May 24)
- June surface74°F, usually 73 to 75°F
- July surface80°F, usually 78 to 80°F
- August surface76°F, usually 74 to 78°F
Forms a warm top layer around Apr 28, lasting about 176 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
- Walleyelast stocked 2025 (large fingerling and small fingerling); stocked in 10 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
- 1Dutch Hollow Lake AccessBoat ramp · Concrete Plank surface · Township
Directions - 2La Valle Public Acccess and Boat LaunchBoat ramp · Concrete Plank surface · County
Directions
Wisconsin DNR public boat access sites. Checked Oct 23, 2026.
More lakes in Sauk County
- Hemlock Slough2.3 miles away
- Redstone Lake5.0 miles away
- Virginia Lake14 miles away
- White Mound Lake17 miles away
- Mirror Lake19 miles away
- Blass Lake19 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
See data sources for what each source covers, and about for how the numbers are matched to lakes.
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