To the East of Neftak Outoust is a broken bridge, To the West of the Southern side of the broken bridge is a sloping lump of broken masonary.
Start the quest and pop the 3 green bubbles by jumping through them and hand in on the north broken bridge.
Hint1: wear your jumping gear. Hint 2: Invisible platforms. PS: you can climb up the left side of the northern bank.