There's no need to touch the old chimney and surrounds which are delicate.
Another ammo can cache on Quarantine Island - initially set up for a scouting event.
Yes, it's a very short strip of water to get across but you'll still need a water craft of some description to come across.
The view from here looks back towards the Portobello township as well as south to Dunedin itself. Some days it's easy to see the big difference in the microclimates around the harbour.
You're standing by two stone structures, all that remains of what was once a rather grand house in the 1890s.
The old house can be seen at the top left of the island in this old image.