Are you a mountain goat? (Palmerston north) Traditional Cache

I thought that this was the perfect spot. Surprised no one had taken this vacinity I jumped on the opportunity. The clue will give you the information needed to complete this sentence, it is located next to the wharf under the ________ on the farthest corner on the side of the lagoon if you reach under past the first price of wood on another platform is the geo cache inside a bag. Happy geocaching, thanks.