2 - 3
FATMAP difficulty grade
**<font color="#ffff00">-==- sync:ßÇÈâÈâ The itinerary follows a mining path from route 150 (access [[waypoints/143918|Quebrada San Lorenzo]]) to the portezuelo.
The moderate slope and the splendid landscapes make this path an ideal itinerary to acclimatize.
It is possible to reach up to approx.
4200m in a 4x4 vehicle to reduce the slope. The portezuelo also gives access to the E side of the [[waypoints/142655|Olivares]]. **<font color="#ffff00">-==- sync:ßÇÈâÈâ From route 150, follow the mining road on the left in direction W to skirt the margin S of the San Lorenzo ravine at approx.
The road then turns left (SSW), through another creek, overcoming a plug (approx.
There is usually water behind the stopper (but it is not known whether it is drinkable).
Then follow the road to the SSW until you turn left again (passing a rocky outcrop).
Then follow the road in direction S until the portezuelo. * Down * by the same itinerary.<br/><br/>_This Adventure has been shared under the [Creative Commons Share Alike](https://creativecommons.org/licenses/by-sa/2.5/) licence._