Tredale AvCity of Armadale » Mount RichonDo you (or did you) live on Tredale Av in Mount Richon, WA? How has Tredale Av changed over the years? What was Tredale Av like in the early days? Who were the original residents of Tredale Av? 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 Tredale Av, please contact us.