As part of the popular Bishop bouldering area known as the Buttermilks, Green Wall although short, offers lines that require excellent concentration and execution. Green Wall is situated uphill and to the left of the popular Grandma and Grandpa Boulders. Lines can be found on both the north and south face.To reach this boulder, park at one of the many parking areas south or east of the boulders and follow a climbers trail up the hillside.