The escarpment below Beatty Street is among the few remaining natural features in the downtown and provides a commanding site for the historic Beatty Street Drill Hall. Set into the base of the cliff is a concrete art deco portal marking the eastern entrance for old CPR Dunsmuir Tunnel. The portal, now sealed, is an … Continue reading 8. Beatty Street Escarpment; Viaduct Park; CPR Tunnel Portal