Otematata is a town in the Waitaki District of Otago in New Zealand's South Island. It is defined as a "populated area less than a town"^[3] and the 2001 New Zealand census gave the "usually resident population count" as 243.^[4] By the 2018 census it had declined to 183 inhabitants. This was considerably higher in the 1960s during the construction of the Benmore and Aviemore dams.

Surrounded by rugged peaks and beautiful lakes of the Waitaki Valley, the earliest inhabitants of the area were Māori on hunting expeditions or travelling through the valley to reach the inland areas and mountain passes. Otematata in Māori means "place of good flint".^[5]

The Otematata township was built in 1958 as a base for the construction of the Aviemore and Benmore Dams. ECNZ (Electricity Corporation of New Zealand) used it as a base until the early 1990s. Prior to that there were a few 'high country' sheep stations, Rostiever Run owned by the Munro family and Otematata Station owned by the Cameron family.

ECNZ's successors' presence is now minimal as the dams are operated by remote control, and Otematata is becoming a village of holiday homes. It is a popular holiday destination with a hotel, restaurant, camping ground, backpackers, and other basic services. The townships population swells to over 5000 people in the Christmas and New Year holiday season as holiday makers from around New Zealand come to enjoy the lakes. Water skiing is a popular pastime in the Waitaki Valley.

Like many inland areas, Otematata has weather that ranges from very cold in winter to very hot in summer. In the past five years, temperatures have ranged from 35.7 °C to −6.7 °C, with annual rainfall ranging from 282mm to 431mm.^[6]

Otematata is described as a rural settlement by Statistics New Zealand, and covers 2.43 km² (0.94 sq mi).^[1] It had an estimated population of 240 as of June 2023,^[2] with a population density of 99 people per km². It is part of the larger Aviemore statistical area.^[7]

Otematata had a population of 183 at the 2018 New Zealand census, a decrease of 3 people (−1.6%) since the 2013 census, and a decrease of 6 people (−3.2%) since the 2006 census. There were 96 households, comprising 96 males and 84 females, giving a sex ratio of 1.14 males per female. The median age was 58.8 years (compared with 37.4 years nationally), with 9 people (4.9%) aged under 15 years, 27 (14.8%) aged 15 to 29, 78 (42.6%) aged 30 to 64, and 66 (36.1%) aged 65 or older.

Ethnicities were 88.5% European/Pākehā, 8.2% Māori, 1.6% Pasifika, and 6.6% Asian. People may identify with more than one ethnicity.

Although some people chose not to answer the census's question about religious affiliation, 49.2% had no religion, 44.3% were Christian, and 1.6% were Buddhist.

Of those at least 15 years old, 12 (6.9%) people had a bachelor's or higher degree, and 39 (22.4%) people had no formal qualifications. The median income was $27,700, compared with $31,800 nationally. 24 people (13.8%) earned over $70,000 compared to 17.2% nationally. The employment status of those at least 15 was that 87 (50.0%) people were employed full-time, and 24 (13.8%) were part-time.^[8]

• 
  The Otematata Holiday Park and Lodge.
• 
  The Benmore Dam spillway in full force.
• 
  A spring day on Lake Aviemore.