Top 10 Deepest Rivers in the United States

Missouri River, Central United States Maximum Depth: 90 feet (27 meters) Length: 2,341 miles (3,767 kilometers)

Arkansas River, Southern and Central United States Maximum Depth: 45 feet (14 meters) Length: 1,469 miles (2,364 kilometers)

Tennessee River, Southern United States Maximum Depth: 150 feet (46 meters) Length: 652 miles (1,049 kilometers)

Potomac River, Eastern United States Maximum Depth: 107 feet (33 meters) Length: 405 miles (652 kilometers)

Ohio River, Eastern United States Maximum Depth: 168 feet (51 meters) Length: 981 miles (1,579 kilometers)

Snake River, Western United States Maximum Depth: 200 feet (61 meters) Length: 1,078 miles (1,735 kilometers)

Columbia River, Pacific Northwest Maximum Depth: 200 feet (61 meters) Length: 1,243 miles (2,000 kilometers)

St. Lawrence River, United States/Canada Maximum Depth: 250 feet (76 meters) Length: 744 miles (1,197 kilometers)

Mississippi River, United States Maximum Depth: 200 feet (61 meters) Length: 2,340 miles (3,766 kilometers)

Hudson River, New York Maximum Depth: 216 feet (66 meters) Length: 315 miles (507 kilometers)