The evening chill drives us off the rock .
We climb down to make our way back to the car , passing a large undercut rock where , earlier that week , I 'd watched a knot of post-college - age kids tackling a difficult boulder .
The evening chill drives us off the rock and we climb down to make our way back to the car , passing a large undercut rock where , earlier that week , I 'd watched a knot of post-college - age kids tackling a difficult boulder .