The standard itinerary: 3 days, 2 nights camped at Confluencia.
From there I’ll hike part way at least up both the Plaza de Mulas and Plaza Fancia routes.
Confluencia is at 3200m. There’s a mandatory medical check on arrival.
It wasn’t easy but I managed to get a permit to hike independently and alone. Nor was it cheap – US$180 for the 3 days.
Trip report coming soon.