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

Announcing 12 Webinars for Growing the Greenbelt

We extend our appreciation to the Friends of the Greenbelt Foundation for funding to facilitate 12 webinars to help engage Ontarians in the provincial consultation to grow the size of the Greenbelt. Information on webinar dates, partners, registration, and how to...

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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.