Well go back some day, after years--ten years.
Then we'll be forgotten.

And our valley will be just as we left it." "What if Balancing Rock falls and closes the outlet to the Pass ?" "I've thought of that.

I'll pack in ropes and ropes.

And if the outlet's closed we'll climb up the cliffs and over them to the valley and go down on rope ladders.

It could be done.