I'm following the main quest and I need to get up to the Greybeard's monastery High Hrothgar. The quest marker first lead me to Ivarstead, and then I tried to find a way up the mountain.
I haven't found a way up yet and I am nearly around half of the mountain now. The Clairvoyance spell also doesn't help, it just says "unable to find a direct path". How do I get up this mountain?