Here's Dan Osman [wiki] scaling a 400-foot sheer wall "Lover's Leap" cliff in just 4 minutes, 25 seconds.
Yes, this is an old clip. The daredevil died in 1998, when something went wrong while he was performing a "controlled free-falling" (free-falling off a cliff, while relying on a safety rope).
Hit play or go to Link [YouTube]