The North American Orienteering Championships and North American Junior and Youth Championships have been held in Whitehorse, Yukon, Canada.
The NAOC Long Distance and Middle Distance were both World Ranking Events, WRE. You can find results from the Long Distance, Middle Distance, Relay and Sprint here.
On the result page you can also find the maps, as an example here is the men’s Middle Distance course:
You can find nice photos from all the races taken by Jim Hawkings here