Athens underground Urbex Underground PassagewaysLocated south of Athens between Thoricus…

Rappel is the climbing of fields using climbing equipment.

Caving is the recreational hobby of exploring wild and non-commercial…

Skiing is the descent of a mountain through delineated routes…

Simple trekking is a relatively short 5-20 km route with…

Mountaineering is a 10-20 km distance with an altitude difference…

Mountain skiing is the vertical ascent of the mountain with…

Snowboard is a sport that involves downhill with a special…

The process of survival in nature and the techniques to…

Climbing is a sport in which the athlete breaks down…