Rosicrucian (noun). one who, in the 17th century and the early part of the 18th, claimed to belong to a secret society of philosophers deeply versed in the secrets of nature, -- the alleged society having existed, it was stated, several hundred years. Rosicrucian (adj).
gorge1. 1  a narrow cleft with steep, rocky walls, especially one through which a stream runs. 2  a small canyon. 3  a gluttonous meal. 4  something that is swallowed; contents of the stomach. 5  an obstructing mass: an ice gorge. 6  the seam formed at the point where the lapel meets the collar of a jacket or coat.
Gorges are deep valleys between cliffs that are formed by erosion, and were formed from the plateau that can be found to the eastern side of the mountain. The cliffs form because harder rock strata that are resistant to erosion/weathering remain exposed on the valley walls.