Record
About Clason Prairie
Clason Prairie or Clason's Prairie was a former settlement in the Town of Beaver Dam, Wisconsin, United States, roughly four miles southeast of Beaver Dam. It was named after James Clason, a native of Connecticut who settled there in 1841 and died in 1848.
This is a site record: what public sources say about Clason Prairie, gathered in one place. We haven't written a full guide yet, so history, current access and photos are still to come. Treat the status as unknown until a guide confirms it.
Map
Where Clason Prairie is

Historic maps
6 historic USGS maps cover Clason Prairie
Topographic sheets from the USGS Historical Topographic Map Collection (public domain), oldest first. Older sheets often show the camp, mines and roads while the place was alive. The downloads are large map scans; USGS topoView shows them in the browser.
- 1955 Beaver Dam sheet, 1:62,500 · GeoTIFF download
- 1957 Madison sheet, 1:250,000 · GeoTIFF download
- 1960 Madison sheet, 1:250,000 · GeoTIFF download
- 1975 Beaver Dam NE sheet, 1:24,000 · GeoTIFF download
- 1980 Beaver Dam sheet, 1:24,000 · GeoTIFF download
- 1984 Oconomowoc sheet, 1:100,000 · GeoTIFF download
Directions
Getting there
Before you go
- Many ghost town sites are on private land, active mining claims or tribal land. Check land status and ask permission.
- Roads to old townsites are often unmaintained dirt. Map apps may route over closed or impassable tracks.
- Removing artifacts from public land is illegal under federal and most state laws.
Nearby
Other sites near Clason Prairie
Straight-line distance to other mapped sites in our Wisconsin index.
- Brookfield Center39.9 mi SE · Waukesha
Sources
Sources
- Wikipedia, "Clason Prairie, Wisconsin": coordinates and summary.
- Wikidata Q18347847.
- USGS 3D Elevation Program, elevation at the coordinates.
- USGS The National Map and Historical Topographic Map Collection (public domain).