After
the end of the motorway keep driving towards Christchurch and
continue through the first set of traffic lights. At the second
traffic lights turn right into Johns Road, sign posted 
Stay on this road for the next 15km (name changes from Johns
road to Russley Road to Masham Road and then to Carmen Road).
Shortly
after crossing a railway line you arrive at a major intersection
in Hornby (Hornby Shopping Centre on your right). At this point,
State Highway 1 turns off to the right. Take the middle lane
and go straight through
into 
After
just over 1km you come to a Roundabout.
Turn left into Halswell Junction Road
You are now driving towards the Port Hills.
Follow
Halswell Junction Road for about 6km until you get to Halswell
and the first traffic lights. Drive straight through into Sparks
Road 
At
the first Roundabout turn right into Hendersons Road 
Just
before coming to the foot of the hills, after a sweeping left
hand corner turn right into
Cashmere Road 
Hoonhay
Valley Lodge is a further 1.2km up Cashmere Road, on your right
just before the intersection with Hoon Hay Valley.