Map of ohio rivers. Lawrence seaway divide crosses northern ohio. During 1788 pioneers to the ohio country established marietta as the first permanent american settlement of the new united states in the northwest territory. Many rivers form the boundaries between states so this is an easy way to position the rivers. Wherever you are in ohio youre just a short drive from an ohio state park.
The ohio river is a 981 mile 1579 km long river in the midwestern united states that flows southwesterly from western pennsylvania south of lake erie to its mouth on the mississippi river at the southern tip of illinois. We have a more detailed satellite image of ohio without county boundaries. Marietta is a city in and the county seat of washington county ohio united states. National weather service advanced hydrologic prediction service ahps.
This map shows the major streams and rivers of ohio and some of the larger lakes. An interagency map of the national wild and scenic river system is available for download from the link below. Map of the national system. A flood warning is in effect for portions of the area.
The map above is a landsat satellite image of ohio with county boundaries superimposed.