Several ridges extend north and east from the plateau. That known as Gist Wen runs north-northeast to the subsidiary top of Bryn (561m above sea level). The short ridges of Cefn Bach and Cefn Edmwnt run northeast whilst that of Twyn Du extends eastwards towards Talybont Reservoir. A further ridge runs southeast to the subsidiary top of Allt Lwyd (654m). To the south a broad ridge runs to a col beyond which is the top of Allt Forgan (513m).