Home
Map
Browse Map
Explore away
Explore Map Collection
Check out our basemaps
Print a Map Plus
Generate a high-quality PDF
Field Guide
Field Guide
Discover local flora, fauna, geology, and more
Local Flora & Fauna
Learn the ecology of your area
Local Geology
Learn the geologic formation at your feet
Get Started or Sign In
Welcome
Sign up to start exploring the one-of-a-kind Natural Atlas Topo map
Continue with Apple
Or
Already have an account? Sign In
MAP
Topo
Waterfalls
Rock Formations
Campgrounds
Trails
Boat Launches
National Parks
State Parks
Scenic Spots
Measure
You must upgrade to measure routes
Start Free Trial
0 ft
Max 0 ft
Copyright © Natural Atlas | Roads, Buildings © OSM Contributors | Data Sources
Topo
Ecoregions
Public Lands
...
BASEMAPS
Default Weather
Temperature
Smoke
...
WEATHER

Ohio River

River on Cumberland Plateau, Appalachian Mountains, Ohio River Islands National Wildlife Refuge, Allegheny Plateau in Paducah in MO, KY, IL, IN, OH
Missouri Fishing Regulations
Kentucky Fishing Regulations
Illinois Fishing Regulations
Indiana Fishing Regulations
Ohio Fishing Regulations
Print Map
Generate High-Quality PDF
Length
974mi

On the Web

On Wikipedia
The Ohio River, which streams westward from Pittsburgh, Pennsylvania, to Cairo, Illinois, is the largest tributary, by volume, of the Mississippi River in the United States. At the confluence, the Ohio is considerably bigger than the Mississippi (Ohio at Cairo: 281,500 cu ft/s (7,960 m3/s); Mississippi at Thebes: 208,200 cu ft/s (5,897 m3/s)) and, thus, is hydrologically the main stream of the whole river system, in no small part because its flow includes the mountain stream-fed tributaries along both banks of the Monongahela River and the Allegheny River as well as the tributaries of the Ohio itself. The 981-mile (1,579 km) river flows through or along the border of six states, and its drainage basin includes parts of 15 states. Through its largest tributary, the Tennessee River, the…
Read More on Wikipedia
Taxonomy

Classified As

River
Map
Plans
Field Guide
Community
My Profile
My Trips
0
My Field Notes
0
Notifications
More