Ben Lomond (974m) and Ben More (1174m) sit on opposite sides of this area which stretches from Loch Lomond to the western end of Loch Earn. There are two distinct sections, to the north and south of Glen Voil, with the remaining peaks sitting to the south of Loch Katrine. Access to the majority of the hills in this area is commonly from Crianlarich, Aberfoyle or Callander.