There are many Regional Trails in Canada. This article is divided into provinces and subdivided into Regions.
British Columbia[]
In BC there are 2 regional trail groups, the Outdoor Recreational Council, which is the Provincial Trail organization representaing all trails, and TrailsBC which represents the non-motorized trails in the province, as well as the The Trans Canada Trail segments within the province.
http://en.wikipedia.org/wiki/List_of_British_Columbia_Regional_Districts
Vancouver Island[]
Alberni-Clayoquot Trails
http://en.wikipedia.org/wiki/Alberni-Clayoquot_Regional_District
Cowichan Valley Regional District - Trails
http://en.wikipedia.org/wiki/Cowichan_Valley_Regional_District
Lower Mainland[]
Sea to Sky Trail