What outdoor attractions are near Dumbarton?

Dumbarton is famed for the striking medieval Dumbarton Castle, which is dramatically perched on top of the distinctive Dumbarton Rock, a volcanic plug. History lovers can explore the castle, which has also served as a Roman outpost, dark age citadel and military base, while, west of the town, outdoor enthusiasts can enjoy the wooded glens, parkland and exotic gardens of the Overtoun Estate. Dumbarton puts you within easy reach of the surrounding Kilpatrick Hills, as well as the nearby Loch Lomond and the Trossachs National Park.