It can be quickly accessed via the mine cart system with the Lovakengj House, but the player needs to bring a mine control scroll from Miriam to Stuliette in addition to having at least 65% Lovakengj favour to use the mine carts. When you reach the staging grounds, find the Mountain Guide, and speak with him to unlock a two-way travel point between the mountain and the wall. This will save a lot of time when you want to return to the mountain.