There is a regular ferry
from Lyttelton to Diamond Harbour end run by Black Cat Cruises. The timetable
and information can be found
here.
Travel to Lyttelton by
bus. There are two bus routes to Lyttelton from Christchurch, the Number 35 and the
Number 28.
The journey takes about
20 to 30 minutes from Cathedral Square in central Christchurch. Fares are $2/$3 for
2 hours unlimited travel. For further information see the metroinfo website.
Wises Maps have a comprehensive range of maps online to help
you find your way to Lyttelton harbour from pretty much anywhere in New
Zealand.