West & Macedon · about 30 min from Melbourne CBD
Organ Pipes National Park
Million-year-old basalt columns like a cathedral organ, formed as lava cooled in an ancient riverbed. Rosette Rock is a rare radial 'wheel' of basalt
WalkPipes + Rosette Rock 2.5 km return, moderate (steep exit)
Best timeCool mornings — no shade on exit climb
CostFree
FacilitiesToilets · Not pram-friendly
DogsNo
Adventure typeheritage · summit
Take care: Steep path back up; carry water