At which lake does the Mississippi find her headwaters?

1) Lake Superior

2) Lake Heron

3) Lake Itasca

4) Lake Michigan

The correct answer is 3. The Mississippi finds its headwaters at Lake Itasca.

Explanation:

Lake Itasca is a small glacial lake, with approximately 3 miles² of area, located in northwest Minnesota. It is considered as the origin of the Mississippi River.

Henry Schoolcraft determined it to be the source of the Mississippi River, which flows 2343 miles to the Gulf of Mexico.