The Green Monster, the famous left field wall at Fenway Park, stands 37 feet 2 inches tall (approximately 11.33 meters).
This height makes it the tallest outfield wall in Major League Baseball. It is located 310 feet from home plate along the left-field foul line.
There is a taller version of the Green Monster at JetBlue Park (Fenway South), the Red Sox's spring training facility, which measures about 42 feet 11 inches, but the original Green Monster at Fenway Park is 37 feet 2 inches tall.
