Harman 1

Byaduk Caves - Mount Napier State Park - Mount Eccles National Park

Useful Information

Location: 300 km south-west of Melbourne, 45 km south of Hamilton (Melway 507 C10). At Hamilton, take the Hamilton-Port Fairy Road, turn into Murroa Lane to Coles Track. Then turn left into Menzles Pit road.
Classification: Speleologylava tube
Light: no
Guided tours: no
As far as we know this information was accurate when it was published (see years in brackets), but may have changed since then.
Please check rates and details directly with the companies in question if you need more recent info.


1926 Mt. Eccles was declared a public purposes (picnic) reserve
1960 the park was declared a National Park.
1987 Mount Napier State Park was realized.


Byaduk Caves are located in a lava flow stretching out 24 km from Mount Napier to Mount Eccles. The lava tubes contain wrinkles, stalactites and stalagmites, columns and ropy lava. Volcanic eruptions in this area began about 20,000 years ago and continued for the next 12,000 years.

Only one cave of Byaduk Caves, Harman 1, is open to the public. Please remember to wear appropriate footwear and clothing and take a torch.

Bent-wing Bats spend the winter in some of the caves hibernating. This caves are closed to visitors during the winter.