This episode has two locations.
1. Baltar's House
Tidewater Way, Lions Bay
Quarry Picnic Area, Cypress Provincial Park, West Vancouver. The access road to the park is from the Upper levels Highway (routes 1 and 99) in West Vancouver. From the city of Vancouver, access is by crossing the Lions Gate Bridge to the Upper Levels Highway via Taylor Way in West Vancouver.
Map of Cypress Provincial Park