Around here
Around Cohansey River
- Bombay Hook National Wildlife RefugeRecreation area8.3 mi (opens in a new tab)
- John Dickinson Plantation Visitor CenterVisitor center17 mi (opens in a new tab)
- Delaware National Estuarine Research ReserveRecreation area17 mi (opens in a new tab)
- Supawna Meadows National Wildlife RefugeRecreation area21.6 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Cohansey River is a 27.8 mile river. Streamflow is measured at the USGS gauge Cohansey River at Seeley NJ (site 01412800). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1978 to 2025
Cohansey River typically runs highest in April, at a median 38 cfs, and lowest in September, at 23 cfs. The highest flow on record for any single day is 2,710 cfs, in 2011.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 33 | 26 to 43 |
| February | 33 | 28 to 43 |
| March | 36 | 27 to 47 |
| April | 38 | 29 to 49 |
| May | 34 | 28 to 42 |
| June | 29 | 23 to 37 |
| July | 26 | 21 to 33 |
| August | 25 | 19 to 30 |
| September | 23 | 19 to 28 |
| October | 25 | 20 to 32 |
| November | 27 | 22 to 37 |
| December | 31 | 26 to 43 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 33 years of record. Statistics published by the US Geological Survey for Cohansey River at Seeley NJ (site 01412800). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Cohansey River. Ramp data comes from the USGS national boat-ramp inventory.
- Husted's Landing Inc.Back CreekRestricted
- Cohansey River Watershed Wetland Restoration SiteCohansey RiverPublic
- Hancock Harbor MarinaCohansey RiverRestricted
- Greenwich Boat Works, GreenwichCohansey RiverPublic
- Bridgeton MunicipalCohansey RiverPublic
Made to print
Put Cohansey River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Cohansey River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
