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Length: 3km
Duration: 1.5hrs
Grade: 2
Style: Circuit
Start: Visitor Information Centre
End: Visitor Information Centre

Location: Organ Pipes National Park
Closest Town: Calder Park
Distance from CBD: 20km
State: VIC
Latitude: -37.667257
Longitude: 144.766127

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2WD Access

Bitumen Road

Speed Bumps

Large Car Park

Public Toilets

Picnic Shelter

Picnic Table

BBQ Facilities

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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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Organ Pipes National Park...

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Concrete Path

Timber Boardwalk

Gravel Path

Sandy Trail

Rough Trail

Undefined Trail

Prams & Strollers

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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

Organ Pipes Trail is a 3km, grade 2 circuit hike, located in Organ Pipes National Park, Victoria. The hike should take approximately 1.5hrs to complete.

Hike Summary

The Organ Pipes Trail commences at the Visitor Information Centre and follows the walking track to explore the many wonderful features of the park. The Organ Pipes, a set of basalt columns formed by the cooling and cracking of molten lava, are the parks best known feature. Visitors can enjoy the fantastic range of picnicking, walking, bird watching and photography opportunities available.

1. Keilor Plains
Walk through the small gate to the two viewing platforms. All around you are the basalt Keilor Plains, one of the world's largest lava flows. These plains, formed by lava which came from volcanoes near Sunbury, are fairly flat except where streams, like Jacksons Creek below you, have cut deep valleys.

2. Native plants revival
As you walk down to the Organ Pipes look closely at the trees and shrubs. In 1972 this area was covered with weeds, mainly thistles and boxthorn. Each year since the weeds have been removed more native trees and shrubs have established. The task of re-establishing native grasses and herbs has been more difficult, but there is now a substantial field of Kangaroo Grass (themeda triandra) on the north side of the track.

3. The Organ Pipes
About a million years ago, molten lava flowed over the Keilor Plains from Mount Holden and other nearby volcanic hills. It filled the depressions and valleys of the former land surface, then cooled and solidified into basalt. Here at the Organ Pipes, it is believed that the lava filled a river valley running at right angles to Jacksons Creek and was perhaps 70 metres thick. Once a surface crust had formed, the lava beneath cooled very slowly. During cooling, the lava contracted and surface cracks developed (as they do in a drying mud puddle). As it continued to harden, the cracks lengthened until the basalt mass was divided into columns.

Over the million years since the lava flow, Jacksons Creek has cut a deep valley through the basalt and revealed the Organ Pipes.

4. Sandstone Bedrock
Walk down the stream for 200 metres, past wellestablished trees and you will see yellowish rocks across the creek. These are sandstones and mudstones, sedimentary rocks laid down under the sea. Fossils in these old rocks suggest they were formed about four hundred million years ago. The old river valley now filled by the Organ Pipes was cut in this sedimentary bedrock.

5. Rosette Rock
Now walk back upstream. About 400 metres past the Organ Pipes, look across the creek to see Rosette Rock, a radial array of basalt columns like the spokes of a wheel.

6. Tessellated Pavement
Three hundred metres further on is the Tessellated Pavement, which consists of the tops of basalt columns 'filed down' by Jacksons Creek.

7. Scoria Cone
You can now return to the car park by the shortcut path shown on the map. The carpark is on an eroded scoria cone - a small volcano that ejected molten volcanic rock called scoria. Scoria is reddish-brown and light in weight; it has many airholes because it was full of steam when ejected.

Getting there

Organ Pipes National Park is just off the Calder Freeway about 20km north-west of Melbourne.

Tips

Access to the Organ Pipes, Rosette Rock and the Tessellated Pavement is via a sealed but very steep path. Just below the picnic area the slope reaches a gradient of 1 in 4. This walk should only be undertaken by fit, surefooted visitors.

GPX File

Total distance: 2997 m
Max elevation: 123 m
Min elevation: 55 m
Total climbing: 131 m
Total descent: -131 m

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