The best way to get to Bear Mountain is to drive your own car because there is no public transportation to the site. The trailhead (and parking lot) is a 10 minute drive from the main Harrison strip, and about two hours away from downtown Vancouver. There is no official parking lot, so you will have to park by the sign.
Moraine & Louise Lake
You can get to lake louise / Moraine lake by car, by bus or hitchhiking. There is a huge parking