In reply to Simonator:
Hi mate,
If you're looking to put yourself through some pain you can do Pico de Posets in one day, doing it via the normal route.
I made a video on a different route (called Espadas-Posets) on Posets that's a lot more challenging (link below of video I made on it), but they share the same starting point, and both routes pass by the refuge.
I'll give you some info and advice on the normal route.
You'll have to drive 5 minutes from Benasque to the Village of Eriste. The most important thing is to then drive to the carpark called Parking Espigantosa, next to a beautiful waterfall with the same name. The drive up to here will save you 2 hrs of walking, a mistake I made when I actually walked from Eriste because of the dirt track. The road to the waterfall is half asphalt half dirt, it's actually alright, I just got scared of it initially.
Alltrails worked a charm for me on Posets, I'll leave the link for the normal route below.
https://www.alltrails.com/explore/trail/spain/huesca/pico-de-posets?mobileM...
Take a powerbank and cable for your phone, have plenty of food and water and grab a torch!
You won't need crampons or an ice axe, the most difficult thing you'll encounter is scree in the last part of it. The challenging part is the duration, expect the day to be anywhere from 12 to 14 hours.
Go and smash this and drop me a comment later if you did it!