Hidden away on Tasmania’s wild Tasman Peninsula is a ‘remarkable’ must-see attraction that truly lives up to its name. The Remarkable Cave, near Port Arthur, is a natural wonder formed through centuries of erosion, framed by dramatic coastline and rugged cliffs. If this hidden gem isn’t on your Tasmanian bucket list, it should be!
Located within Tasman National Park, this tunnel-like cave was shaped by powerful waves crashing against sandstone cliffs. Over time, part of the cave wall collapsed, creating the striking tunnel structure we see today.
Before descending, take in the breathtaking views of Penguin Rocks and the bay from Maingon Bay Lookout. Then follow the steep — but manageable — steps down to the cave itself. At the base, a viewing platform offers the perfect vantage point to admire the tunnel and, if conditions allow, witness the spectacular sight of waves surging through.

If you’ve got time, the Remarkable Cave makes a great starting point for nearby walks:
Each of these trails showcases more of the peninsula’s stunning seascapes and wild beauty.
A short drive away, Port Arthur offers even more to explore. The World Heritage-listed Port Arthur Historic Site is Australia’s best-preserved convict settlement, with a visitor centre, café, and restaurant for when you’re ready to pause and reflect.
Other highlights nearby include:

For those staying overnight, the village of Port Arthur is quaint and welcoming. The NRMA Port Arthur Holiday Park offers comfortable accommodation, making it an ideal base for your adventures.
The Remarkable Cave combines natural wonder, history, and adventure into one unforgettable stop on your Tasmanian journey. Whether you’re tackling a half-day hike, exploring convict history, or simply soaking up the rugged beauty of the coastline, this corner of Tasmania won’t disappoint.
What are you waiting for? Add the Remarkable Cave and Port Arthur to your Tasmania travel itinerary today!
Did you know that if you take a camping holiday between October 1st and February 28th, you could win a shot at one million dollars? Find out more!

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