Such object lay, as every eye would shun.
As is that ruin, which Adice's stream
On this side Trento struck, shouldering the wave,
Or loosed by earthquake or for lack of prop;
For from the mountain's summit, whence it moved
To the low level, so the headlong rock
Is shivered, that some passage it might give
To him who from above would pass; e'en such
Into the chasm was the descent: and there
At point of the disparted ridge...."