Key facts
According to the provincial government, RP 41 links Los Antiguos and Lago Posadas over 155 km of gravel, with 22 points of interest and 4 panoramic lookouts. There's an official 13-track driving audio guide designed to be played at about 40 km/h.
What you'll see
- La Ascensión Portal of Patagonia National Park (a former sheep ranch).
- Río Jeinimeni lookout, Los Cerritos lookout, the Río Zeballos waterfall, Cerro Boleadora and Laguna Escondida.
- Views of Cerro San Lorenzo, the highest peak in the province.
- The transition from steppe to lenga and ñire beech forests; guanacos, foxes and condors.
- At the end, the isthmus between lakes Posadas and Pueyrredón.
Before you set off
- It's a mountain gravel road: expect mud, loose stones and, in winter, sections closed by snow (Paso Roballos, Portezuelo). Check with Vialidad.
- There are no services along the way: leave with a full tank, water and food.
- Paso Roballos border crossing to Chile: opening hours and seasonal operation, check before you travel at Prensa Santa Cruz – Estado de rutas (Vialidad).
