How big is the Chesapeake Bay?
The Chesapeake Bay watershed is 64,000 square miles big! It includes parts of Maryland, Virginia, Pennsylvania, Delaware, West Virginia, and New York. The whole city of Washington, DC is in the Chesapeake Bay watershed. The Bay itself is about 200 miles long, stretching from Havre de Grace, Maryland to Norfolk, Virginia. It is 35 miles across at its widest point, and 3.4 miles across at its narrowest point.
