Mountains of Dor Tanak
From The Stargate Omnipedia
A mountain range situated between the Sodan village and the Stargate on P9G-844. No Sodan has survived the crossing from one side to another.
KEY EPISODE
Babylon - Jolan tells Mitchell that he is free to leave at any time, but in order to reach the Eye of the Gods he will have to cross the treacherous Mountains of Dor Tanak.