Start: Greys Dam Freecamp, Lawrence.
(S/E) At the end of the car park, take the small path that runs alongside the lake, gaining height. The path soon enters the forest and almost never leaves it. Continue to the first ford.
(1) Pass through and continue along the path to the second ford.
(2) Carry on along the path, gaining height to reach an old irrigation canal.
(3) Follow it for several hundred meters to cross another ford.
(4) Continue on to the last ford.
(5) Continue on the path.
(6) Reach Otago Dam. Enjoy the view before heading back down the same trail to the starting point (S/E).