this is the only thing you have ever said that i have agreed with
OP, if you want to prepare for skiing, you want to lift lots of weight
go read up on how squats enhance your vertical leap, and improve all around leg usability
i do a 5x5 sl plan for this express purpose
now, if you want to do something cardio heavy, this is still an option, but you might need to tailor any of these plans for you
/fit/ and /r/fitness can help you