Thornleigh to Galston Gorge
(0km) Thornleigh Train Station → Morgan Rd
(1km) Morgan Rd → Int of Bike Trail and Morgan Rd tracks
(1km) Int of Bellamy trail and Morgan Rd tracks → Zig Zag Creek Bridge int.
Thornleigh zigzag railway
(1km) Zig Zag Creek Bridge intersection → The Jungo
The Jungo
(3km) Jungo campsite → Int of GNW and Stringybark Ridge trail
(3km) Int of GNW and Stringybark Ridge trail → Elouera Lookout
Elouera Lookout
(4km) Elouera Lookout → Int of the Great North Walk and the Quarter Sessions Road track
(6km) Int of the Great North Walk and the Quarter Sessions Road track → Int of the Great North Walk and the Blackfellows Head lookout track
(7km) Int of the Great North Walk and the Blackfellows Head lookout track → Int of the Great North Walk and the Blue Gum Walk (SW)
(7km) Int of the Great North Walk and the Blue Gum Walk (SW) → Fishponds Lookout
Fishponds Lookout
(8km) Fishponds Lookout → Fishponds crossing
Fishponds
(8km) Fishponds Lookout → Corner of Dilkera and Manor Rd
Veer left: From the intersection, this walk follows the 'Alternative Route' arrow on the GNW sign[112]. The track dips before heading steeply uphill, zigzagging in several sections. The walk leads you up a large metal staircase to the top of the cliffs, coming to the intersection of Manor Rd and Dilkera Cl.
(8km) Corner of Dilkera and Manor Rd → End of Clarinda St
Continue straight: From the intersection, this walk heads north along Rosamond St following the Great North Walk arrow. The walk then turns left into Clarinda St and follows it to the end of the road, to find the 'Clarinda Wetlands' sign.
(10km) End of Clarinda St → Int of Clarinda St trail and waterfall track
Continue straight: From the intersection, this walk follows the flat management trail, heading away from Simon Place past the 'Berowra Valley Regional Park', 'Dogs Prohibited' sign[113]. The walk gently meanders along the trail, enjoying the ferns and sandstone rocks for a while until coming to a 'Great North Walk' sign[114] highlighting the intersection with small track on the left.
(11km) Int of Clarinda St and waterfall track → Int of Stewart Ave service trail and waterfall track
Veer right: From the waterfall, this walk climbs the stone stairs (keeping the waterfall initially on the left) and then turns right, heading up out of the gully. Once at the top of the stairs, the walk heads through the bush until soon coming to a 'T' intersection with the Stewart St management trail, signposted with a large 'Great North Walk' sign[116].
(11km) Int of Stewart Ave service trail and waterfall track → Steele Bridge
Historic Military 'Steele' Bridge
(12km) Steele Bridge → Tunks Ridge Rest Area
Tunks Ridge Rest Area
(14km) Tunks Ridge Rest Area → Int of Great North Walk and Galston Gorge track
Top of Galston Gorge Campsite
(15km) Int of Great North Walk and Galston Gorge track → Galston Gorge track head
Galston Gorge track head
Maps for the Thornleigh to Galston Gorge walk
You can download the PDF for this walk to print a map.
These maps below cover the walk and the wider area around the walk, they are worth carrying for safety reasons.
| Hornsby | 1:25 000 Map Series | 91304S HORNSBY | NSW-91304S |
| Sydney | 1:100 000 Map Series | 9130 SYDNEY | 9130 |
Cross sectional view of the Thornleigh to Galston Gorge bushwalking track

Analysis and summary of the altitude variation on the Thornleigh to Galston Gorge

Overview of this walks grade – based on the AS 2156.1 – 2001
Under this standard, a walk is graded based on the most difficult section of the walk.
| Length | 15.5 km | ||
| Time | 6 hrs | ||
| . | |||
Grade 4/6 Hard track | AS 2156.1 | Gradient | Very steep (4/6) |
| Quality of track | Formed track, with some branches and other obstacles (3/6) | ||
| Signs | Directional signs along the way (3/6) | ||
| Experience Required | Moderate level of bushwalking experience recommended (4/6) | ||
| Weather | Storms may impact on navigation and safety (3/6) | ||
| Infrastructure | Limited facilities, not all cliffs are fenced (3/6) |
Some more details of this walks Grading
Here is a bit more details explaining grading looking at sections of the walk
Gradient
6km of this walk has short steep hills and another 3.8km has gentle hills with occasional steps. Whilst another 3.3km is very steep and the remaining 2.2km is flat with no steps.
Quality of track
7km of this walk follows a clear and well formed track or trail and another 6km follows a formed track, with some branches and other obstacles. The remaining (1.9km) follows a smooth and hardened path.
Signs
Around 8km of this walk has directional signs at most intersection, whilst the remaining 7km is clearly signposted.
Experience Required
9km of this walk requires no previous bushwalking experience and another 5km requires some bushwalking experience. The remaining (990m) requires a leader a with moderate level of bushwalking experience.
weather
Around 15km of this walk is not usually affected by severe weather events (that would unexpectedly impact safety and navigation), whilst the remaining 990m is affected by storms that may impact your navigation and safety.
Infrastructure
Around 8km of this walk has limited facilities (such as not all cliffs fenced), whilst the remaining 7km is close to useful facilities (such as fenced cliffs and seats).
Similar walks
A list of walks that share part of the track with the Thornleigh to Galston Gorge walk.
Stringybark Ridge and Zig Zag Creek loop from Thornleigh Station
6.6 km Circuit, 2 hrs 30 mins
Hard track
Other Nearby walks
A list of walks that start near the Thornleigh to Galston Gorge walk.
Plan your trip to and from the walk here
The Thornleigh to Galston Gorge walk starts at the Thornleigh Train Station (gps: -33.731949, 151.07815)
The Thornleigh to Galston Gorge ends at the Galston Gorge track head (gps: -33.664580, 151.08031)
Weather Forecast
This walk starts in the Metropolitan weather district.
Current Alerts
Park Information
Berowra Valley National Park
Following the Berowra Creek the Berowra Valley National Park is located on the Hornsby Plateau and is made up of typical Hawkesbury Sandstone. The great North walk, Benowie walking track, and many other great walks stretch spann this park. The area has varied vegetation including many different sorts of Eucalyptus and plenty of native animals, includingl swamp wallibies, water dragons, bandicoots, Lyre Birds, and bush turkeys. There are several campsites within the Park, and Crosslands Reserve is also a popular spot near the middle of the park.
Comments
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