https://www.google.co.nz/maps/search/430+Peka+Rd,+Mangaweka+4774+25/@-39.8521741,175.7608519,648m/data=!3m1!1e3
Drive to the end of Peka Road (gravel road), follow the road all the way up the large hill. At the top is a gate with a sign on it "Whitecliffs Boulders". Drive through this gate and down to the carpark. Please stick to the track at all times.