0 (of climbing up rocks, mountains or buildings) done with no ropes or other equipment: --
2 to climb up rocks, mountains or buildings with no ropes or other equipment: --
3 an act of climbing up rocks, mountains or buildings with no ropes or other equipment: --
In free solo climbing, climbers rely only on themselves to ascend the rock and use no protective gear; they use no ropes, harnesses or anything else.
Andy is also renowned for his free solo exploits, having walked more than 100 different highlines without a safety leash.
This makes the sport significantly safer than free solo climbing, which is also performed without ropes, but with no upper limit on the height of the climb.
Tricklining, longlining, highlining, and free solo are all separate facets of slacklining.
Ropes were acceptable for belaying as long as the leader could and would climb the pitch up and down free solo (and feel comfortable about doing so).
Rather than swimming the dangerous river he chose to free solo climb a steep cliff to escape from the canyon.
Hersey was a master of unroped free solo climbing, often in the 5.105.11 range.
He holds the current record for longest free solo highline, with a 55m crossing at 60m high.