Rivers in Kentucky

Green River (KY) near Mammoth Cave

Edmonson County, KentuckyNWS MMCK2USGS 03309000Louisville office

Below flood stage
8.57ftStage

Observed Tue, Sep 22, 5:00 AM CDT

Flood stage
32.00 ft
Forecast crest
8.80 ftSat, Sep 26, 1:00 AM CDT
Record crest
59.66 ft2025

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood62.00 ft
Moderate flood57.00 ft
Minor flood32.00 ft
Action20.00 ft
  1. 52.00 ftCave tours that use the lower levels of the cave are closed.
  2. 42.00 ftEcho River Spring Trail and parking lot are under water and not accessible.
  3. 32.00 ftGreen River Ferry closes to all traffic due to high water.
  4. 20.10 ftLaunching of paddle craft is prohibited.
  5. 20.00 ftGreen River Ferry closes to RV and trailer traffic due to high water. Heavy loads will be at the judgment of the ferry operator considering the 12 ton load limit of ferry. Backcountry camping on the Green River floodplain is prohibited.

Crest history

14 crests on NOAA’s list since 1913.

#DateStage
1April 6, 202559.66 ft
2February 18, 202552.46 ft
3January 24, 193752.00 ft
4March 3, 202150.94 ft
5January 1, 191350.50 ft
6February 18, 194943.00 ft
7February 26, 201942.62 ft
8January 1, 193542.60 ft
9January 9, 195042.00 ft
10April 16, 194838.10 ft
11December 19, 201938.04 ft
12February 12, 201834.60 ft
13January 4, 194534.60 ft
14February 6, 193931.70 ft

Most recent crests

  • April 6, 2025: 59.66 ft
  • February 18, 2025: 52.46 ft
  • March 3, 2021: 50.94 ft
  • December 19, 2019: 38.04 ft
  • February 26, 2019: 42.62 ft
  • February 12, 2018: 34.60 ft
  • January 9, 1950: 42.00 ft
  • February 18, 1949: 43.00 ft
  • April 16, 1948: 38.10 ft
  • January 4, 1945: 34.60 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.