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5 Things to Know About Niagara Falls Geology Tours

  1. Journey Behind the Falls on the Canadian side lets you see the rock layers directly behind the water curtain.
  2. Cave of the Winds on the American side gives you a close-up view of the erosion-resistant Lockport dolostone caprock.
  3. Both tours show the same geology from different angles.
  4. The Lockport dolostone is the hard caprock that slows erosion of the softer shale underneath.
  5. These tours are the best way to see the rock formations that shape the falls.

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