This fun walk covers a large section of the Great North Walk, starting from the official start in Circular Quay. After a short ferry trip the walk follows the Lane Cove River through the Lane Cove National Park, to Thornleigh. Here, the walk enters Berowra Valley National Park, continuing along the Great North Walk to before following the popular Blue Gum Walk up out of the valley, to Hornsby train station. Camp overnight at Lane Cove tourist park and at the Scout camp in Thornleigh.
Total climbing: 1690m