27. When all of its islands are considered, which of the Great Lakes has the longest coastline?
From Quiz Great Lakes Day
Answer:
Lake Huron
Lake Huron is the second largest of the Great Lakes by surface area, next to Lake Superior, with a total area of 59,700 sq km (23,000 sq miles). It also has many islands. The Great Lakes have approximately 35,000 islands. Of those, 30,000 are in Lake Huron. When all of these shorelines add up, the total is 6,157 km (3,827 miles) for that Great Lake. Lake Superior has a shoreline of 4,385 km (2,726 miles), Lake Michigan has a shoreline of about 2,475 km (1,600 miles), Lake Erie has a shoreline of 1,402 km (871 miles), and Lake Ontario has a shoreline of 1,146 km (712 miles).