How many national parks are east of the mississippi river?

Total 6 national parks are there on the east of Mississippi river.

Explanation:

Mississippi River is the second-longest river of the North American continent. Its source is Lake Itasca, in northern Minnesota and flows for 2320 miles. It is subdivided into the upper, middle and lower part.

For the recreational purpose, the government has created some national parks from north to south such as:

Effigy Mounds National Monument park

Gateway Arch national park

Vicksburg National Military park

Natchez National Historical National park

New Orleans Jazz National park

Jean Lafitte National Historical Park and preserve.