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Rockwood Conservation Area, ON

Very popular natural area, featuring limestone cliffs, caves and glacial potholes, including one of the world's largest.

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Some facts

"The cave system includes a series of 12 caves, which is one of the most extensive networks in Ontario. Within the caves is a prominent feature called flowstone, which over many years is created by flowing water that deposits a type of calcium carbonate called calcite.

Another feature at Rockwood are the potholes. Within the conservation area, there is over 200 potholes that all vary in measurements. These potholes are also known as giant's kettles, which are large cavities that have been drilled by flowing water carrying stones and gravel.

As well, glacial bluffs are seen at Rockwood. These have been formed over thousands of years after the earth’s most recent ice age ended. They can be relatively small and get as large as 30 meters deep and 200 meters wide."

The caves are a popular attraction and include stalactites, columns and flowstone. They are fun to explore, however flashlight, helmet, long sleeve pants and long sleeve shirts are suggested. The caves are not accessible to the public between October 16 and March 31 to protect bats while they hibernate.  

You can view natural wonders from hiking trails on both sides of the Eramosa River or in a rented canoe.

Canoes, kayaks and paddle boats are available to be rented.

Rockwood is a favourite location for corporate picnics, family reunions, professional film and photo shoots.

The Pavilion, a large chalet-style shelter, overlooks the beach. It is a day-use only facility with no alcohol permitted. Contact park staff to make a reservation for this facility. 

To check:

  • Pothole Trail
  • Harris Woolen  Mills Ruins of a family-run woollen mill operating from 1867, now located in a conservation area.


Open year round, with camping from May 1 to October 15. Services are limited October 16 to April 30. Closed December 24, 25 and 26.  

Open for day use from 8 a.m. to 6 p.m. 

 Notes to Visitors:

  • The ruins of the Harris & Co. Rockwood Woolen Mill are closed due to safety concerns.

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Know the regulations and special concerns for the area you'll visit, leave what you find, respect nature, enviroment and wildlife!

Have you visited this place? If you have any corrections or new information you'd like to share, we'd love your input. Also any photos or videos you may have taken of your adventures on this  are welcome as well. Leave some tips and useful information in comments.

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