1) Extreme sport 2) Lofty pursuit 3) Sport for the adventurous 4) Type of climbing 
Rock climbing is an activity in which participants climb up, down or across natural rock formations or artificial rock walls. The goal is to reach the summit of a formation or the endpoint of a usually pre-defined route without falling. To successfully complete a climb, one must return to the base of the route safely. Due to the length and extende...
(from the article `mountaineering`) Rock climbing, like hiking, is a widely practiced sport in its own right. The essentials of rock climbing are often learned on local cliffs, where ...
[n] - an act of scaling rock masses on mountain sides
noun the sport or pastime of scaling rock masses on mountain sides (especially with the help of ropes and special equipment)
A camp activity introducing campers to the equipment, safety rules and physical techniques of climbing rocks. Can include off-site trips.