No bicycles makes no sense.
It provides panoramic views of the mouth of Phillip Bay and historical army structures.
Amazing views and a good walk , worth a visit at the point Nepean national park. Good walking track and get some historical significance.
Great views of the mouth of the harbour
Echoey fort ruin with a buzzing radar tower above it.
It's a round and confined space. If you stand in the middle of this round space and shout, then it has a 3d sound effect with a good echo. There are windows to look around and outside this place, but they are closed for safety reasons. Just like all the other places in the Fort Napean National Park, the entry is free.