Arno is a flag station on the Studholme-Waimate-Waihao Downs branch of New Zealand railways. It stands at an elevation of 295 feet above sea level, and is thirty-seven miles from Timaru. The station is situated just through the beautiful Waimate Gorge, and serves the agricultural and sheepfarming district which surrounds it. A Government settlement known as Kapua adjoins the railway line. The station is four miles from Waimate, and four miles from the terminus of the line at Waihao Downs.

Kapua Creamery (North Otago Dairy Company, Limited, Proprietors), Arno. This creamery was opened in November, 1902, and in the season of 1903 there were fifteen suppliers, who delivered about 300 gallons of milk daily. The cream is forwarded to the head offices in Oamaru. The creamery stands on a freehold section of six acres, and has an Alpha de Laval separator, capable of treating 350 gallons of milk per hour, and driven by a three-horse power horizontal high pressure engine, supplied by a six-horse power boiler.

Mr. Norman Guild, Manager of the Kapua Creamery, was born in Dunedin, in 1871, and attended school at Seacliff. He was for fifteen years in the Wellington district, where he gained experience of machinery before becoming manager at Arno for the North Otago Dairy Company, in 1902. While in Wellington Mr. Guild was a member of the Order of Druids. He was married in February, 1898, to a daughter of Mr. Scott Patterson, of Hawke's Bay, and has two daughters and one son.