WI · ranked by public data

Jefferson County, Wisconsin Lakes with the Most Public Access

6 Jefferson County lakes are at least 50 acres with a verified public access point, out of 28 documented lakes in the county. Updated July 2026.

15 sites
1,365 acres
Jefferson County, WI
Rock Lake
enhancedDepth mapWater data
43.08, -88.931,365 acres | 60 ft max5 public access pointsLargemouth Bass, Panfish
5 verified public access points · 1,365 acres, 60 ft max depth
24 sites
10,595 acres
Jefferson County, WI
Lake Koshkonong
enhancedDepth mapDNR impairmentWater data
42.87, -88.9710,595 acres | 7 ft max4 public access pointsPanfish, Catfish
4 verified public access points · 10,595 acres, 7 ft max depth · DNR impairment listed
32 sites
420 acres
Jefferson County, WI
Lake Ripley
enhancedDepth mapWater data
43.00, -88.99420 acres | 44 ft max2 public access pointsLargemouth Bass, Northern Pike
2 verified public access points · 420 acres, 44 ft max depth
41 site
344 acres
Jefferson County, WI
Red Cedar Lake
enhancedDepth mapWater data
42.98, -88.98344 acres | 6 ft max1 public access pointPanfish
1 verified public access point · 344 acres, 6 ft max depth
51 site
136 acres
Jefferson County, WI
Blue Spring Lake
enhancedDepth mapWater data
42.86, -88.60136 acres | 27 ft max1 public access pointPanfish, Largemouth Bass
1 verified public access point · 136 acres, 27 ft max depth
61 site
105 acres
Jefferson County, WI
Spring Lake
enhancedDepth mapWater data
42.88, -88.57105 acres | 11 ft max1 public access pointSmallmouth Bass, Largemouth Bass
1 verified public access point · 105 acres, 11 ft max depth

Methodology

How this list is built

Ranked by the number of verified public access points on each lake: boat launches, landings, parks, beaches, and marinas open to the public.
Shore fishing access is flagged where documented but does not add to the count.
Lakes under 50 acres — or without documented acreage — are excluded from rankings.
Access inventories favor well-documented water — a lake with unrecorded informal access will undercount.
Verify fees, seasons, and ramp conditions before you go; access details change.

FAQ

Jefferson County lake records

Which lake in Jefferson County has the most public access points?

Rock Lake — Rock Lake in Jefferson County has the most verified public access points of any Jefferson County lake we track, with 5.

Lakes with the most public access statewide Deepest lakes in Jefferson County Biggest lakes in Jefferson County Clearest lakes in Jefferson County All Jefferson County lakes

Source data: Wisconsin DNR lake and monitoring records as aggregated by LakeList. Figures reflect the most recent documented values, not new surveys — verify access and rules before you go. Lake outlines are shoreline shapes from LakeList and the USGS National Hydrography Dataset; they illustrate a lake's form and are not depth or navigation charts.

WI · ranked by public data

Jefferson County, Wisconsin Lakes with the Most Public Access

6 Jefferson County lakes are at least 50 acres with a verified public access point, out of 28 documented lakes in the county. Updated July 2026.

15 sites
1,365 acres
Jefferson County, WI
Rock Lake
enhancedDepth mapWater data
43.08, -88.931,365 acres | 60 ft max5 public access pointsLargemouth Bass, Panfish
5 verified public access points · 1,365 acres, 60 ft max depth
24 sites
10,595 acres
Jefferson County, WI
Lake Koshkonong
enhancedDepth mapDNR impairmentWater data
42.87, -88.9710,595 acres | 7 ft max4 public access pointsPanfish, Catfish
4 verified public access points · 10,595 acres, 7 ft max depth · DNR impairment listed
32 sites
420 acres
Jefferson County, WI
Lake Ripley
enhancedDepth mapWater data
43.00, -88.99420 acres | 44 ft max2 public access pointsLargemouth Bass, Northern Pike
2 verified public access points · 420 acres, 44 ft max depth
41 site
344 acres
Jefferson County, WI
Red Cedar Lake
enhancedDepth mapWater data
42.98, -88.98344 acres | 6 ft max1 public access pointPanfish
1 verified public access point · 344 acres, 6 ft max depth
51 site
136 acres
Jefferson County, WI
Blue Spring Lake
enhancedDepth mapWater data
42.86, -88.60136 acres | 27 ft max1 public access pointPanfish, Largemouth Bass
1 verified public access point · 136 acres, 27 ft max depth
61 site
105 acres
Jefferson County, WI
Spring Lake
enhancedDepth mapWater data
42.88, -88.57105 acres | 11 ft max1 public access pointSmallmouth Bass, Largemouth Bass
1 verified public access point · 105 acres, 11 ft max depth

Methodology

How this list is built

Ranked by the number of verified public access points on each lake: boat launches, landings, parks, beaches, and marinas open to the public.
Shore fishing access is flagged where documented but does not add to the count.
Lakes under 50 acres — or without documented acreage — are excluded from rankings.
Access inventories favor well-documented water — a lake with unrecorded informal access will undercount.
Verify fees, seasons, and ramp conditions before you go; access details change.

FAQ

Jefferson County lake records

Which lake in Jefferson County has the most public access points?

Rock Lake — Rock Lake in Jefferson County has the most verified public access points of any Jefferson County lake we track, with 5.

Lakes with the most public access statewide Deepest lakes in Jefferson County Biggest lakes in Jefferson County Clearest lakes in Jefferson County All Jefferson County lakes

Jefferson County, Wisconsin Lakes with the Most Public Access

Rock Lake

Lake Koshkonong

Lake Ripley

Red Cedar Lake

Blue Spring Lake

Spring Lake

How this list is built

Jefferson County lake records

Which lake in Jefferson County has the most public access points?

Jefferson County, Wisconsin Lakes with the Most Public Access

Rock Lake

Lake Koshkonong

Lake Ripley

Red Cedar Lake

Blue Spring Lake

Spring Lake

How this list is built

Jefferson County lake records

Which lake in Jefferson County has the most public access points?