Chile Route 181
Route 181-CH is a branch line road going eastward from Chile Highway 5 at Victoria to Pino Hachado Pass at the border to Argentina. Through its length the road passes along or close to the cities and towns of Victoria and Lonquimay. All of the route runs inside La Araucanía Region and between Curacautín and Lonquimay the road runs through Las Raíces Tunnel, Chile's longest tunnel.
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