As
you drive on State Highway 73 towards Christchurch, the last
locality you pass through is Yaldhurst.
About
2.5km further along you come to the intersection with State
Highway 1 on a Roundabout. Turn right into Masham Road 
Stay
on this road as it changes name from Masham Road to Carmen Road.
Shortly
after crossing a railway line (2.5km) you arrive at a major
intersection in Hornby (Hornby Shopping Centre on your right).
At this point, State Highway 1 turns of 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.