Contact the Author

This hobby website was developed by Mark Harris of London, Ontario. You can email me at:

With just a few justifiable exceptions, there should be no waterfalls on private property featured on this website. I take this very seriously so please contact me if I've made a mistake.

I also want to hear about places that are unsafe for visitors. If a waterfall is no longer safe to visit, it may need to be removed from this website.

You can read this project's Statement of Values and Ethics.

Mark at Chippewa Creek Falls, North Bay

Mark's Background

I've always had an interest in waterfalls, photography and promoting local exploration. This website started in 1999. With help from people like you, it is still going strong after 25 years!

I am the author of the Waterfalls of Ontario book, which was first published by Firefly Books in 2003. Three more editions were published in 2011, 2018 and 2022. At the time of writing in 2024, books were still available online and in major bookstores.

I am also the creator and administrator of the Waterfalls of Ontario Facebook Group. Initiated in 2012, our group takes a focused, friendly and responsible approach to sharing tips, photos and question about waterfalls in Ontario. With close to 50,000 members, it is the largest social media group about Ontario's waterfalls.

I hold a BSc and Masters Degree in Physical Geography. During my time at university, our geography and geology professors would use nearby waterfalls for field visits. These trips taught us about geomorphology (shape of the earth) and hydrology (the water cycle).

I am also licensed as a professional geoscientist in Ontario with PGO. While my professional life doesn't lead me to waterfalls very often, I am involved in water resources management and environmental protection.

My aim is to run a responsible website that respects our environment and laws. If you have any concerns or suggestions, please don't hestitate to contact me. You can read the Statement of Values and Ethics.

Waterfalls of Ontario Project

This project has been online since 1999, in print since 2003, and on social since 2011. (See archives: 2003, 2012, 2018). It was the first to inventory and map Ontario's waterfalls for recreational purposes. With your continued help, it grows. Learn more...
Waterfalls of Ontario is a book!
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Waterfalls of Ontario is a book!
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This page last updated on April 20, 2024. Earlier versions can be examined on Archive.org, dating back to 2003.