Description

Initially follow a marked route from Lucretia Biv towards the upper valley.

Then take a spur on TR of upper Lucretia stream that leads up to saddle that you can traverse to Brass Monkey Biv.

From Brass Monkey Biv traverse between bluffs to access a line you can take to the upper Duchess Valley.

Track down the Duchess (on TR) is along a trapline and is marked with orange triangle markers from where bush becomes continuous.