A discrete but impressive lookout overlooking the water from the Southern Ocean/Tasman Sea that turns into a salty geyser before flowing towards the blowhole further west.
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Tasman Blowhole
Although its name is very unoriginal if you can't make it to Maingon Blowhole around 30 kilometers away, here's a good alternative. The blowhole is somewhat average compared to other Australian blowholes, so prepared to be disappointed if you've seen many other blowholes, but if you've never seen one, this is a good one to visit.
A massive natural bridge and sea cave (though it's probably too small to be considered as one), great for photos. Parking is available a few meters from the lookout.
Another natural phenomenon created by the crashing waves of the Southern Ocean/Tasman Sea which creates an impressive trench. There's a parking lot right next to the lookout, and it doesn't require much walking.
Eaglehawk Neck Historic Site
This is the remains of the officers' quarters, built in 1832 to prevent convicts in Port Arthur from escaping. The area was heavily guarded by military officers and fierce dogs for when the military officers went drunk. The site closed in 1877, around when the convict era was coming to an end. There is also a statue of a dog outside the museum as a symbol of what the area once was.
Eaglehawk Neck tessellated pavement
This is perhaps the best example of a tessellated pavement anywhere in the world – and hence why it's simply called Tessellated Pavement. It's where flat rock is divided into various different block-shaped sections, making it look like it was man-made. This rare natural phenomenon becomes even more spectacular during sunrise with water within the pans.