How to get here?
Comox Lake Crags are located on Vancouver Island in British Columbia.  There are ferries from Horseshoe Bay, just north of Vancouver or from Tsawwassen which is south of Vancouver.  The ferry takes about 1.5 hours to Nanaimo.  It is another 1.5 hours drive north on highway 19 to Cumberland. 
Canadian Map 

Southern Vancouver Island
Whats the weather like in Cumberland ?