McLachlan Monument is a memorial lookout on Cornwallis Road at Cornwallis, in Waitakere City on Auckland's western edge, rated 4.5 from 96 Google reviews. Visitors describe a short walk from the car park to a scenic observation point with plaques, though a few find the clearing around the monument overgrown. Lookouts like this reward a little planning: the west coast's best colour often comes before the sun actually drops, so regulars check sunset times and arrive early. Sturdy shoes are sensible too, as tracks to memorial sites in the Waitakeres are often rough or lightly maintained, and a torch makes the walk back after dusk much easier. A good lookout offers more than the view alone — the plaques usually tell a local story worth pausing over. On a clear evening this quiet corner of Cornwallis delivers what reviewers love: the sun sinking through the trees towards Whatipu, so time your visit for dusk.