nature, photography, san gabriel mountains, trails, wildflowers home » Archives for July 3, 2018 Poison Oak Berries Along the Gabrielino Trail first published July 3, 2018 & last updated July 8, 2018 Gary Valle Click on thumbnails for more info & larger image. From a recent run down Rincon Redbox Road from Red Box to West Fork and then back up on the Gabrielino Trail.