Don’t ask why I was under a bridge today, but…
Rock climber?
Here's the rock my stepson has been up numerous times now...El Capitan in Yosemite National Park
His climbs are usually about 4 days up and 4 hours back down.
Kinda reminds of paraphrasing a line from 'Crocodile Dundee': "That's not a rock...THAT's a ROCK!"