2 adverbs to describe how to cliff

I took Ponting out to see some interesting thaw effects on the ice cliffs east of the Camp.

VILLA PLINIANA It stands where darkly wooded cliffs Slope swiftly to the deep, And silvery streams from ledge to ledge In foaming splendor leap, A broad expanse of saffron walls, A wilderness of mouldering halls.

2 adverbs to describe how to  cliff  - Adverbs for  cliff