We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.
We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

Blue Mountains Guide

  • Walking tours (1)
  • Before You Go
EveryTrail
Duncan Caves
Duncan Caves

Due to seasonal extremes in temperature and the forces of gravity, large blocks of rock have broken away from the main face of the Niagara Escarpment. The gradual shifting downwards of these huge...

Rated 4 out of 5 by EveryTrail members