I was in New Hampshire before The Old Man In The Mountain collapsed in 2003 and was there again shortly after it did. I was reminded of this while looking at that balanced boulder. So I wound up Googling "collapsed balanced boulder South Africa" after
@bruce_the_loon's last clue. Here's what I got some distance down from the top
View attachment 822967
Googling "Mukurob" confirmed that this
WAS once (collapsed in 1988) a balanced boulder called Mukurob (The Finger of God) in what is now Namibia but was then part of South Africa. To an old British Empire stamp collector like me, this was the Old German East Africa that became Southwest Africa, part of the Union of South Africa.