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.

Route 181 shield}}
Route 181
Ruta 181
Ruta_181_Lonquimay.jpg
Route 181-CH next to the town of Lonquimay.
Location
CountryChile
Highway system

See also

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