Tips
etkchee
August 8, 2025
Cycling
The Helensburgh Railway Tunnel south of Sydney, is famous for its colony of bioluminescent glow worms. These glow worms, also known as Fungus Gnats, create a stunning natural light display, attracting visitors seeking a unique experience.
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Nearby routes
Best routes near Helensburgh Tunnel
12
riders
40.6km
02:53
720m
720m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
Hard
Details
Informations
Elevation 170 m
Weather
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Today
Thursday 22 October
23°C
16°C
87 %
Additional weather tips
Max wind speed: 25.0 km/h