Rock climbing can be performed at both indoor ... of a bouldering challenge is six metres and it is performed without the use of ropes or harnesses. Although it requires limited equipment ...

Bouldering routes are called boulder problems. Soloing is where people climb on their own and usually without a rope. This high-risk style of climbing should only be undertaken by experienced climbers ...

rock-face in Yosemite National Park on Saturday has been described as one of the greatest solo climbing feats. It took Mr Honnold four hours to scale it without ropes or other safety gear.