Voltai Mountains: A vast mountain range which rises from the
midst of known Gor "like the spine
of the continent," you can see the spires of Ar
from the nearer Voltai ranges. They are located south of the
Vosk, northeast of Ar, the east foothills are within pasangs
of Ar, the Voltai constitutes the Eastern border of known
Gor.
Also
known as the Red Mountains, they are dull reddish cliffs due
to large deposits of iron oxide, they are known as the greatest
mountains on known Gor. The Voltai is home to several bandit
cities and bands of outlaws including Treve.
Verr:
mountain goat indigenous to the Voltai Mountains; wild, agile,
ill-tempered, with long hair and spiralin horns; source of
a form of wool; its milk is potable, as well as bein used
for cheese.

Voltai
Mountain Range - A range commonly called the Red Mountains
because of the dull reddish color of the rock caused by deposits
of iron oxide; it is located east of Ar and south of the Vosk
river and stretches from there to the Tahari Desert. The Voltai
are the eastern border of known Gor.
Tarnsman
of Gor, page 144
"The verr was a mountain goat indigenous to the Voltai.
It was a wild, agile, ill-tempered beast, long-haired and
spiral-horned."
Priest
Kings of Gor, Pg. 63