Magic lantern slide circa 1900.Victorian/Edwardian social history. Picton Harbour and Pier, New Zealand. Picton (M?ori: Waitohi) is a town in the Marlborough Region of New Zealand's South Island. The town is located near the head of the Queen Charlotte Sound, 25 km (16 mi) north of Blenheim and 65 km (40 mi) west of Wellington. Waikawa lies just north-east of Picton, and is often considered to be contiguous part of Picton. The town is named after Sir Thomas Picton, the Welsh military associate of the Duke of Wellington, who was killed at the Battle of Waterloo.