Rosella GapCity of Armadale » BedfordaleDo you (or did you) live on Rosella Gap in Bedfordale, WA? How has Rosella Gap changed over the years? What was Rosella Gap like in the early days? Who were the original residents of Rosella Gap? Ask a question or tell your story below... April 17, 2017 by PerthMETRO.net zoom out · satellite view · hybrid (zoom out) Rate this street If you would like to be a custodian/moderator of Rosella Gap, please contact us.