• Length: 12.8km

  • Duration: 4-5hrs

  • Grade: 4

  • Style: Circuit

  • Start: O'Briens Crossing Camp Ground

  • End: O'Briens Crossing Camp Ground

  • Closest Town: Blackwood

  • Location: Lerderderg State Park

  • Distance from state capital: 92km

  • State: VIC

  • Latitude: -37.4962858164

  • Longitude: 144.3607577252

Trail Access

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Bitumen Road

Gravel Road

Easy Access

Steep Road

Winding Road

Vehicle Ford

Speed Bumps

2WD Vehicle

4WD Vehicle

Entry Fee

Ample Parking

Accessible Parking

Wheelchair Toilet

Toilet Facilities

Camping Available

Drinking Water

Picnic Shelter

Picnic Table

BBQ Facilities

Fire Pit

Trail Features

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Concrete Path

Timber Boardwalk

Gravel Path

Sandy Trail

Rough Trail

No Defined Trail

Manual Wheelchair

Motorised Wheelchair

Prams and Strollers

Bike Friendly

Overnight Campsites

River Crossings

Rock Scrambling

Bush Bashing

Exposed Ledges

Trail Markers

Drinking Water

Fishing Spots

Swimming Spots

Dog Friendly

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East Walk – Nolan Track and the Tunnel is a 12.8km, grade 4 Circuit hike located in Lerderderg State Park Victoria. The hike should take approximately 4-5hrs to complete.


This hike starts from O’Briens Crossing Camp Ground and follows the famed East Walk along the eastern banks of the Lerderderg River. This part of the circuit twists and turns along intermittent water races and foot trails for approximately 5.3Km before ascending Nolan Spur to intersect the end of Nolan Track. Ascend Nolan spur (initially steep) and follow it along its length for approximately 3Km to its end at O’Briens Road. Walk along O’Briens Road for 500m until you reach Gribble Track on your right.

After following Gribble Track for almost 2.5Km you will arrive at the junction of Byers back Track. You can turn right at this point and return to O’Briens Crossing. This hike continues straight ahead descending the steep track down to the Lerderderg River and the Tunnel.

The track then leaves the downstream of the tunnel entrance and continues across the Eastern bank of the river. The trail beyond this point is not particularly easy to follow and in some places it may be easier, during drier weather, to simply follow the Lerderderg River through to the Ambler Lane ford. There is a section on this part of the trail that requires you to scramble over a cliff face before descending to the river.

From Ambler Lane ford contunie downstream along the Lerderderg River for approximately 1km until you reach a trail on your right. Return via this trail to your starting point at O’Briens Crossing.


A varied hike with steep sections and changing scenery. Hiking poles will be useful on ascents and descents. Carry at least 2 litres of water and food to keep your energy levels up. There are some steep sections that will benefit from the use of poles. Following rain, when the river is high, several creek crossings may be required. The trail along the Lerderderg River following the Tunnel is not marked and you will need to pick your way along its length. Best not to attempt this section following heavy rains.


Total distance: 12793 m
Max elevation: 627 m
Min elevation: 418 m
Total climbing: 455 m
Total descent: -455 m