Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Past sunset (8:22 PM)
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Launch Light & Moon — June 25
local timeWaxing Gibbous (76% illuminated). Average fishing outlook by moon phase — focus on dawn and dusk bite windows.
Location
Quick Facts: South Nanson
| Location | Elk Prairie township, Illinois |
|---|---|
| Waterbody | Mine Number 21 Reservoir |
| Access Type | Public |
| Coordinates | 38.177713, -88.998101 |
| Hours | Check on site |
| County | Jefferson County |
South Nanson is a boat launch providing access to Mine Number 21 Reservoir in Elk Prairie township, Illinois at coordinates 38.17771, -88.99810.
South Nanson is a boat launch on Mine Number 21 Reservoir in Elk Prairie township, Jefferson County, Illinois. This page shows sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 6 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat ramp near Elk Prairie township • public launch in Jefferson County • fishing access on Mine Number 21 Reservoir • Illinois boat launch
Explore more boat launches across Illinois
Buying or selling a boat?
Decode any boat's HIN free, or run a full $9.99 history report before you buy.
Frequently Asked Questions About South Nanson
What water does South Nanson access?
South Nanson provides boat launch access to Mine Number 21 Reservoir in Elk Prairie township, Illinois.
How do I get to South Nanson?
South Nanson is located at coordinates 38.177713, -88.998101 in Elk Prairie township, Illinois. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
Get Directions
Navigate directly to this boat launch using your preferred mapping service:
Alternative Boat Launches Nearby
The area surrounding South Nanson includes 6 other public boat ramps within 2.7 mi, giving boaters flexibility in choosing their access point.