Welcome to the OHI, a registered charity working to preserve and protect Ontario's headwaters through research, education, and best practices.

Please select one of the links below to access that section of the website.

	OHI Main Site: Read about our Programs and Updates, including recent submissions. You can also see information about our new Donor, Sponsorship, and Partner framework.
	OHMapping: See detailed watershed maps showing headwater streams, their catchment areas, and the impact of development.
	OHNetwork: See information on Pools and Riffles, Ontario’s Webinar Series on Watershed Management, which we will be using, along with other programs, to help improve networking amongst community organizations seeking to protect our watersheds and their headwaters.