Complete directions:
- top of entrance to Excavation: 72.7, 67.5.
- take scaffolding all the way over to elevator at 72.3, 74.1
- take elevator down.
- get off elevator and jump down to scaffolding at 72.5, 73.9
- face relatively north and take ramp to right.
- you will take two ramps... after that go to the right.
- jump to scaffolding at 72.8, 72.2
- face the cliff wall and take the scaffolding / ramp up to the right. (There will an earth elemental stationary at the base of that ramp.) Base at 72.9, 71.6
- go up the scaffolding to the green dirt at 73.8, 71.0
- take scaffolding ramp on your left up to the deck.... you will come up to that deck underneath the next ramp you need to take.
- the ramp (base at 72.9, 71.2) up to the cave entrance.