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Hidden between the hills of Victoria’s volcanic west, the Byaduk Caves are one of Australia’s largest lava tube networks, and arguably one of the most incredible natural wonders in the state. Formed thousands of years ago by flowing lava, this eerie underground system stretches for around 24,000 metres, creating a spectacular network of caves – a surreal reminder that regional Victoria is home to cinematic landscapes that genuinely rival what you’ll find on an expensive overseas journey.
Where are the Byaduk Caves?
The Byaduk Caves are located in western Victoria, around 40 minutes south of Hamilton and roughly a four-hour drive from Melbourne. They sit within the Byaduk Cave Reserve, part of the wider volcanic landscape that stretches across the region.
What’s special about the Byaduk Caves?
These caves aren’t your classic limestone caverns – they’re lava tubes, created when molten rock cooled on the surface while hot lava continued to flow beneath. The result is a series of dark, twisting tunnels with rocky floors, low ceilings and an otherworldly vibe. They’re also home to bats and unique ecosystems, making them as ecologically fascinating as they are visually striking.
Can you go inside the Byaduk Caves?
Yes – but only some of them, and with care. A number of caves are open to the public, while others are gated or closed to protect wildlife and ensure safety. There’s no lighting inside though, so if you’re heading in, you’ll need a torch (or headlamp), sturdy shoes and a healthy respect for uneven terrain.
Do you have to book to visit the Byaduk Caves?
No booking is required to visit the caves. The reserve is free to access and open year-round, making it an easy add-on to a regional road trip. That said, visits are self-guided, so there’s no supervision or facilities – you’re very much on your own out here, so take care and explore at your own risk.
How do you get to the Byaduk Caves?
From Melbourne, drive west towards Hamilton via the Princes Highway or Western Highway, then follow local roads to the Byaduk Cave Reserve. Parking is available near the site, with short walking tracks leading to the cave entrances. It’s best tackled as a day trip or weekend adventure, ideally paired with other volcanic highlights in the region.
Keen to explore? You’ll find our guide to a weekend in the Grampians here.
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