Working to Protect Ontario’s Watersheds, their Natural Heritage, and our Receiving Waters

The Ontario Headwaters Institute works to protect Ontario’s watersheds, their natural heritage, and receiving waters such as the Great Lakes.

In addition to on-going efforts in our three portfolios on Research, Education, and Civic Engagement, we are currently running two initiatives as described in our updated Brochure, below, and in recent blog posts – launching both COWA and our mapping tool on the Contested Countryside.

Key background documents include:

The 4-page OHI Brochure September 2022, and feel free to…

Visit our YouTube Channel, with numerous videos, the most recent of which is on The Impact of Aggregate Extraction in the Credit Watershed. .

Homepage Hotlinks

If you are looking for our new project, Growing the Greenbelt 2021: REGIONAL RESILIENCE, it is posted at

Quick-links to other OHI digital profiles –
OHI Twitter OHI Facebook Canada Helps