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Great Lakes

Map info

100 points on the first try, 50 on the second, then zero. You can keep trying. Reveals score zero. Correct answers advance automatically; points reset each round.

Choose Time me for a countdown and a fresh timed round. The clock runs continuously and stops at the last answer. Explore or Reveal makes it practice only. Unassisted full rounds enter This device automatically. Online timed rounds are checked as you play; post your result to Everyone only if you choose.

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Practice history stays in this browser across visits. Clearing history leaves your current round in place; it does not remove a result you chose to post to Everyone.

Satellite imagery: Esri World Imagery. Image dates and providers vary by area and zoom. Numbered features, river centerlines and city limits: © OpenStreetMap contributors, ODbL, September 2026. Outlines show municipal limits; they can include water. Numbers stay on their features; zoom in to separate close places. Sources.

Lakes & baysConnecting watersCanalsCities & ports