From Kamloops, go to Cache Creek then down through the Fraser Canyon. It's very scenic and while it's up and down a bit, not nearly as high as other routes. There is a nice campground in the middle of the canyon called Skihist that is a BC park with a dumping station too.
From there, drive to Horseshoe Bay and take the ferry. Be prepared for a ticker shock, it's about $290 each way.
It's still a long ways to Tofino, so plan a night camping, perhaps at Qualicum River Falls. It's just west of Coombs and along your route to Tofino. Some nice easy hiking there.
