'''By plane'''
Air Canada Jazz [http://aircanada.com] provides daily service to North Bay, Sudbury, Sault Ste Marie, Timmins and Thunder Bay from Toronto (Thunder Bay also served from Winnipeg, Manitoba). Westjet [http://westjet.com] flies only to Thunder Bay from Toronto. Bearskin Airlines [http://bearskinairlines.com] (based in Thunder Bay) provides services to various smaller communities in Northern Ontario, including Red Lake, Dryden, Sioux Lookout and Kenora from Winnipeg, Manitoba. Northwest [http://nwa.com] (via Mesaba Aviation) provides daily service to Thunder Bay from Minneapolis/St. Paul, Minnesota.
The 2 main routes through Northern Ontario are Highways #11 and #17. They diverge at North Bay with Hwy. 11 going north and Hwy. 17 going west to Sault Ste Marie then north from there. Both highways continue on to the Manitoba border.
ViaRail [http://viarail.ca] provides service from Toronto to Sudbury and continues through Northern Ontario to Winnipeg, Manitoba and westward. Sudbury is the only major city in Northern Ontario ViaRail operates to. Ontario Northland [http://www.ontc.on.ca] passenger rail service is from Toronto to North Bay and terminates in Cochrane, Ontario. There is also passenger rail service from Cochrane to Moosonee on the Polar Bear Express.
Greyhound [http://www.greyhound.ca] provides service to Northern Ontario from Toronto and Winnipeg, Manitoba along highways #11 and #17. Ontario Northland [http://www.ontc.on.ca] coach service routes are from Toronto to Hearst, Ontario along the Hwy #11 corridor as well as Hwy #69 and #144 to Sudbury and Timmins. Excel Bus Lines runs along Highway 105 to the communitites of Red Lake and Ear Falls.
Car rental services are available in most of the larger centres. Including Kenora, Red Lake, Thunder Bay, Nipigon, Terrace Bay, Marathon, Sault Ste. Marie, Sudbury, Timmins, and North Bay.
Watch out for black flies. To protect yourself wear long sleeve shirts (white or brightly colored), thick socks, and long pants (tuck the pants into the socks) and apply a covering of DEET. Also some type of bug netting in your tent is advised. Flies are most active at dawn and dusk.