New Jersey River Map showing major rivers in New Jersey, River start and end point, county boundaries.
River Map of New Jersey State

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Rivers and Waterways in New Jersey
New Jersey’s river systems flow across coastal plains, rolling hills, and forested regions, with most waterways draining into the Atlantic Ocean or the Delaware River. The Delaware River forms the state’s western boundary, while many eastern rivers flow directly into bays and coastal estuaries. Northern areas feature smaller, faster streams, while southern regions include slower rivers and wetlands. Reservoirs and natural lakes across the state play an important role in drinking water supply, recreation, and environmental management.
Major Rivers in New Jersey
| River | Length (Approx.) | Region | Flows Into |
|---|---|---|---|
| Delaware River | 301 mi | West | Delaware Bay |
| Passaic River | 80 mi | North | Newark Bay |
| Raritan River | 121 mi | Central | Raritan Bay |
| Hackensack River | 45 mi | North | Newark Bay |
| Maurice River | 50 mi | South | Delaware Bay |
| Mullica River | 50 mi | South | Great Bay |
| Toms River | 41 mi | Central | Barnegat Bay |
| Great Egg Harbor River | 55 mi | South | Great Egg Harbor Bay |
| Salem River | 34 mi | South | Delaware River |
| Musconetcong River | 45 mi | West | Delaware River |
| Pequest River | 35 mi | West | Delaware River |
| Manasquan River | 26 mi | Central | Atlantic Ocean |
| Shrewsbury River | 28 mi | Central | Atlantic Ocean |
| North Branch Raritan River | 38 mi | Central | Raritan River |
| South Branch Raritan River | 51 mi | Central | Raritan River |
| Cooper River | 16 mi | South | Delaware River |
| Cohansey River | 30 mi | South | Delaware Bay |
| Wading River | 35 mi | South | Mullica River |
Major Lakes in New Jersey
| Lake | Type | Region |
|---|---|---|
| Lake Hopatcong | Natural lake | North |
| Greenwood Lake | Natural lake | North |
| Round Valley Reservoir | Reservoir | Central |
| Spruce Run Reservoir | Reservoir | Central |
| Monksville Reservoir | Reservoir | North |
| Wanaque Reservoir | Reservoir | North |
| Lake Musconetcong | Natural lake | North |
| Deal Lake | Natural lake | Central |
| Union Lake | Reservoir | South |
| Lake Atsion | Natural lake | South |
Major River Basins in New Jersey
New Jersey’s river basins are divided between those draining into the Delaware River and those flowing directly into the Atlantic Ocean. These basins support drinking water systems, wetlands, and coastal ecosystems across the state.
- Delaware River Basin
- Passaic River Basin
- Raritan River Basin
- Hackensack River Basin
- Maurice River Basin
- Mullica River Basin
- Toms River Basin
- Great Egg Harbor Basin
- Cohansey River Basin
New Jersey Rivers Facts
| State | New Jersey |
| Total Rivers & Streams | 23,000+ miles of streams |
| Major Rivers | Delaware, Passaic, Raritan |
| Total Waterway Length | 25,000+ miles |
| Main Drainage | Atlantic Ocean & Delaware River |
| Longest River | Delaware River |
| Shortest River | Cooper River |
| Major River Basins | 9 Primary Basins |
| Primary Outlet | Atlantic Ocean |
| Key Uses | Drinking water, recreation, ecosystems |
| Longest River Within State | Passaic River |
| Number of River Basins | 7–10 Basins |
| Major Reservoirs | Round Valley, Spruce Run, Wanaque Reservoir |
| Primary Water Source | Reservoirs and surface water |
River Maps of the 50 U.S. States – Click on a State to View Its River Map
- Alabama River Map
- Alaska River Map
- Arizona River Map
- Arkansas River Map
- California River Map
- Colorado River Map
- Connecticut River Map
- Delaware River Map
- Florida River Map
- Georgia River Map
- Hawaii River Map
- Idaho River Map
- Illinois River Map
- Indiana River Map
- Iowa River Map
- Kansas River Map
- Kentucky River Map
- Louisiana River Map
- Maine River Map
- Maryland River Map
- Massachusetts River Map
- Michigan River Map
- Minnesota River Map
- Mississippi River Map
- Missouri River Map
- Montana River Map
- Nebraska River Map
- Nevada River Map
- New Hampshire River Map
- New Jersey River Map
- New Mexico River Map
- New York River Map
- North Carolina River Map
- North Dakota River Map
- Ohio River Map
- Oklahoma River Map
- Oregon River Map
- Pennsylvania River Map
- Rhode Island River Map
- South Carolina River Map
- South Dakota River Map
- Tennessee River Map
- Texas River Map
- Utah River Map
- Vermont River Map
- Virginia River Map
- Washington River Map
- West Virginia River Map
- Wisconsin River Map
- Wyoming River Map
