Slí Arann Mhor

County Donegal, Éire / Ireland

12.2 miles (19.6 km) · 1,543 ft elevation gain · Loop · trail · Route

Slí Arann Mhor is a 12.2-mile loop route in County Donegal, Éire / Ireland, gaining 1,543 feet of elevation. The route follows a up-and-over elevation profile. The terrain breaks into 5 distinct sections including 1 significant climb. The longest climb covers 3.2 miles gaining 771 feet at an average 3.5% grade. Approximately 79% of the route is runnable at a steady effort. The route both opens and finishes with flat terrain.