Feb 4, 2019 – We are updating our website. Please be patient as we move pages around, edit them, and add new pages.

The Ontario Headwaters Institute is a registered charity working to protect Ontario’s headwaters, natural heritage, and watersheds.

Homepage Hotlink

Read our core document about the value of headwaters – Protecting Ontario’s Headwaters. 

Coming soon – information on our expanded mandate for watershed management.


Recent Posts to OHI Blog

Intent to Repeal the Far North Act

We urge organizations concerned about the on-going erosion of environmental and community planning safeguards to comment by May 10 on the proposed repeal of the Far North Act. See the posting here. See our submission at OHI to MNRF on Far North April 15. As our sub...

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Aggregate Review

MNRF recently announced a review of aggregate operations in Ontario, with an emphasis on "engaging our partners to identify ways we can cut red tape, create jobs and build a sustainable aggregates industry." The announcement can be found at...

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About Headwaters | Submissions | etc.

Headwater Mapping | Headwater Hikes

Pools and Riffles

Headwater Indicators | etc.

Enhanced Watershed Management

E-mail | Blog | etc.