Ben A'an is a hill in the Trossachs in Scotland. The pointed peak of its west top resembles a small mountain. Ben A'an is situated in the Trossachs area of the highlands north of Glasgow, rising above Loch Katrine and Loch Achray. The summit area is largely treeless and comprises several rock outcrops and crags, its highest point being a r…Ben A'an is a hill in the Trossachs in Scotland. The pointed peak of its west top resembles a small mountain. Ben A'an is situated in the Trossachs area of the highlands north of Glasgow, rising above Loch Katrine and Loch Achray. The summit area is largely treeless and comprises several rock outcrops and crags, its highest point being a rounded summit of 461 metres elevation, unlike its lower west top.