"Bouldering" is a low-altitude version of this 2-word activity
The 
camera will be inside my backpack in only two cases: the first one is on... [DOC] [TLE] Ben Nevis - Three Wise Monkeys Climbing | Indoor Climing in Fort ... [PAR] Activities > Get Outdoors > Ben Nevis ... as navigation on the summit plateau in 
low visibility can be notoriously difficult.