This crossword puzzle includes 15 clues all about the Great Lakes. The clues feature facts about the location of the Great Lakes, bordering states, cities, ports, and other geographic details. Included is an unlabeled map of the Great Lakes and bordering states, which can be used to help solve the puzzle clues or as an additional map labeling activity. The activity requires knowledge of the Great Lakes region and/or maps skills. An answer sheet is provided with a map labeled with all the answers to the clues. This could be a fun partner activity or independent activity to complete when students are finished with classwork.