Byaduk-Caves-Walk-Trail-Hiking-Australia
  • Length: 1.5km

  • Duration: 1-2hrs

  • Grade: 3

  • Style: Circuit

  • Start: Byaduck Caves Road Byaduck North

  • End: Byaduck Caves Road Byaduck North

  • Location: Mount Napier State Park

  • Closest Town: Hamilton

  • Distance from CBD:

  • State: VIC

  • Latitude: -37.907304

  • Longitude: 141.973613

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2WD Access

4WD Access

Public Transport

Bitumen Road

Gravel Road

Steep Road

Winding Road

Speed Bumps

Vehicle Ford

Entry Fee

Large Car Park

Small Car Park

Accessible Parking

Accessible Toilet

Public Toilets

Drinking Water

Untreated Water

Picnic Shelter

Picnic Table

BBQ Facilities

Campfire Pit

Camping Area

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Mount Napier State Park...

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Concrete Path

Timber Boardwalk

Gravel Path

Sandy Trail

Rough Trail

Undefined Trail

Prams & Strollers

Manual Wheelchair

Motorised Wheelchair

Bicycle Trail

Mountain Bike Trail

Historic Rail Trail

Dog Friendly

Urban Walk

Coast & Beach

Historic Lighthouse

Waterfalls & Lakes

Rainforest Walk

Goldfields & Mining

Heritage Walk

Aboriginal Art

Alpine Region

Alpine Huts

Exposed Ledges

Rock Scrambling

Steep Terrain

Bush Bashing

River Crossings

Scenic Viewpoints

Well Marked

Drinking Water

Untreated Water

Fishing Spots

Swimming Spots

Overnight Campsites

Trail Running

Horse Riding

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The Byaduk Caves Walk is a 1.5km, grade 3 circuit hike, located in the Mount Napier State Park, Victoria. The hike should take approximately 1-2hrs to complete.

Hike Summary

The Byaduk Caves are a stunning attraction located in the Mount Napier State Park, formed by the lava flow from Mount Napier. The caves were created when the lava solidified on top, and molten lava continued to flow underneath the surface. Today, one of the caves can be explored by visitors to the Grampians Region.

Mount Napier is the youngest volcano in the state of Victoria and last erupted 10,000 years ago, creating the magnificent state park around its base, and an intricate connection of tubes (referred to today as caves) below the surface. The largest of the Byaduk Caves measures 18 metres wide, 20 metres deep and 10 metres high.

There are many walking trails that interconnect the caves and visitors will be able to view stalactites, stalagmites, columns and ropy lava in the one cave open to the public, Harmans 1. Batwing bats call this cave home and so visitors are advised to remain quiet whilst inside the caves.

Harmans 1 is a lava tube which has a flat roof and arched ceiling. There are a number of rocks to climb over to enter the cave, so this activity is not suitable for those with mobility issues. If planning o visit the Byaduk Caves, visitors should wear runners or hiking shoes, as the ground can get slippery. Make sure to bring a torch to explore the cave, but ensure you do not shine your torch on the bats inside the cave, as this can disturb their hibernation during the winter months.

So the next time you are visiting Hamilton, take a short trip south and visit these wondrous creations of nature!

About the region

Stand on the edge of Mount Napier, the most recently active volcano in Victoria, and enjoy magnificent views from the Grampians to the sea. There is a walking track to the summit that winds through manna gum and Blackwood forest and past impressive volcanic features.

There is a walking track to the summit, which leads through the forest and past interesting volcanic formations. The walk winds through manna gum and Blackwood forest and past impressive volcanic features including a lava canal and tumulus and featuring a scoria zone at the summit.

The park also takes in the Byaduk Caves, one of the most extensive and accessible sets of lava caves in Australia. They are part of a lava flow stretching out 24 kilometre from Mount Napier to Mount Eccles and contain wrinkles, stalactites and stalagmites, columns and ropy lava.

Getting there

Byaduk Caves are reached via the Byaduk Caves Road, 18 km from Hamilton on the Hamilton-Port Fairy Road. They are part of a lava flow from Mount Napier solidified and were formed by molten lava continuing to flow beneath.

GPX File

Total distance: 1463 m
Max elevation: 146 m
Min elevation: 141 m
Total climbing: 17 m
Total descent: -17 m
Download file: Byaduk Caves Walk.gpx

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11 thoughts on “Byaduk Caves Walk (1.5km)

  1. In local aboriginal language Byaduk means stone axe, and Tapoc (mtNapier) erupted about 32,000years ago – proving fresh stone for tool making. The newer volcanics province was active while aboriginal people were in the region and can appear in Dreamtime stories. The lava flowed over 29km from Tapoc, although many of the lava tubes have collapsed roves, and the remnant lava tubes at Byaduk are 100s of meters long so a head torch is best if you want to explore fully.

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