Journeys Ontario
- Information on hiking trails and conservation areas in Ontario, with maps, detailed travel logs and pictures. Also provides ideas for unique travel and adventure experiences.
- http://www.journeysontario.ca/

Ontario Day Trip Hiking
- Information on areas in Ontario to go on hiking day trips.
- http://www.ontario-hiking.com/

Voyageur Trail Association
- A non-profit citizens' group dedicated to developing and maintaining a continuous hiking trail for public use across Northern Ontario from Manitoulin Island to Thunder Bay.
- http://www.voyageurtrail.ca

Oak Ridges Trail Association
- Information about hiking on the Oak Ridges Moraine, with maps and guide books about the trail system.
- http://www.oakridgestrail.org/

Timmins Outdoors
- Directory of walking, cycling, kayaking and canoeing opportunities near Timmins.
- http://www.timminsoutdoors.ca/

Bruce Gray Trail Network
- Non-profit, charitable umbrella organization helping to facilitate and encourage trail development in the two counties. Includes maps, searchable trail database, news, and contact information.
- http://www.brucegreytrails.com/

Grand Valley Trails Association
- Includes a guidebook and maps for hikes, leader training resources, and hiking safety information.
- http://www.gvta.on.ca/

The Bruce Trail Association, Ontario
- Over 800 kilometers of main trails and an additional 200km of side trails along the Niagara Escarpment between Niagara Falls and Tobermory. Includes links to member clubs, featured hikes and a photo gallery.
- http://www.brucetrail.org/

Hike Ontario
- A non-profit organization representing the interests of walkers and hikers in Ontario. Twenty-two hiking clubs and trail building associations are presently members, representing over 13,000 individuals.
- http://www.hikeontario.com