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Pass of the Cattle, Bealach na Bà is a historic pass through the mountains of the Applecross peninsula, in Wester Ross in the Scottish Highlands and the name of a famous twisting, single-track mountain road through the pass and mountains.
The road is one of few in the Scottish Highlands that is engineered similarly to roads through the great mountain passes in the Alps, with very tight hairpin bends that switch back and forth up the hillside and gradients that approach 20%. It boasts the greatest ascent of any road climb in the UK, rising from sea level at Applecross to 626 m, and is the third highest road in Scotland.
The name is from the Scottish Gaelic: Bealach nam Bò for Pass of the Cattle, as it was historically used as a drovers' road.