Marron Trail (Japanese: ブルーノトレイルBruno Trail) is the 23rd area in Pokémon Shuffle, consisting of fifty stages. It follows Zaffiro Coast and is the final area available. Marron Trail first became playable on December 11, 2017, with stages through 670 (Shiny Xerneas). The final thirty stages became available on February 13, 2018, with stages through 700 (Primal Kyogre).
It shares its overworld design and music with Pedra Valley. Stages appear in silhouette form in groups of five.