By taxi, or car. In the summer most cars will make it, but in the winter season a 4x4 is a must. During heavy snowfall, cars without snow chains or 4 wheel drive are not permitted to drive to this altitude.
The nature, the rock formations, the views.
Ski in the winter, trekking all year round.
Souvenir shops sell the usual tourist items. Focus on the local edible products such as soutzouko.