I spent 4 days there in the last week in January. The first day only the runs with snowmaking were open which wasn't great but OK. On the second day it snowed and was much better. It was very cold -20C at the top. Now queues at all but I was only there mid week. It's gets busy at the weekends.
I stayed in Granada which was a 30 minute drive away The village has quite the largest underground car park I've ever seen (remember where you've parked!).
Most facilities are at the village which was ski able to even on my first day.
There is a mid station with a few restaurants and shops if you don't want to ski back to the bottom for lunch.
I would go back as I did manage a couple of days on the beach that holiday as well
It's not huge but if everything is open it should keep you entertained for week as long as you are not the I've skied that run once so its done type
looking down to the mid station