Ontario Geocaching Association
- Membership organization serves as a liaison to government agencies and landowners, coordinates cleanup events.
- http://www.ontgeocaching.com/

Ontario GPS Treasure Hunting
- Information on geocaching events in northern and eastern Ontario.
- http://www.geocachingontario.com/

Ontariomuse
- A recreation EZine focusing on people, activities and events in Southern Ontario.
- http://www.nexicom.net/~briansl/muse/

High Park Community Advisory Council
- Volunteer group recognized by the City of Toronto Parks and Recreation Division as a vehicle for community consultation regarding High Park and community involvement in Park stewardship.
- http://www.highpark.org/

SnowMobileCanada
- A guide to snowmobiling in Northern Ontario, with trail maps, accommodations, safety information, clubs and towns in the area.
- http://www.snowmobilecanada.com/

Appi Trails ATV
- Provides All Terrain Vehicle tours through the countryside of Northern Ontario.
- http://www.appitrailsatv.com/

Skydive Swoop
- Non-profit skydiving club run exclusively by volunteer members.
- http://www.swoop.on.ca/

Ontario Trackers
- Informal group of people who are interested in the skills of wilderness survival, tracking and awareness, as well as the ancient philosophies of living with the Earth.
- http://wmuma.com/ontariotrackers/

Birding in Ontario
- Rare bird sightings reports, birder e-mail addresses, Ontario Birding Association information, expedition checklists, and birding chats among other resources.
- http://www.web-nat.com/bic/ont/index.html

Sky Odyssey: Ontario Ski Areas
- Information about the ski resorts in Ontario.
- http://www.mediaodyssey.com/ski/statemap.cfm/ON.htm

The Quiet Place Stable
- A summer riding camp for children. Offers lessons and traditional camp activities. Located in Renfrew County.
- http://home.ica.net/~spike/Quiet_Place/camp.html

Wanapitei c.a.n.o.e.
- Canoe tripping company offering guided wilderness experiences from Baffin Island to the Sea of Cortez.
- http://www.wanapiteicanoe.com

VanRidge ATV Trails
- Information about trails and tours in Mallorytown. Rentals available.
- http://www.vanridgeatvtrails.com/

Park-to-Park Trail
- Recreation trail connecting Ontario Parks in Muskoka / Parry Sound including Algonquin & Killbear Provincial Park.
- http://www.parktoparktrail.com