Saint Arnaud, New Zealand

Saint Arnaud
View over Lake Rotoiti and St Arnaud
Interactive map of Saint Arnaud
Coordinates: 41°48′12″S 172°50′42″E / 41.80333°S 172.84500°E / -41.80333; 172.84500
CountryNew Zealand
Territorial authorityTasman
WardLakes-Murchison Ward
Electorates
Government
 • Territorial AuthorityTasman District Council
 • Mayor of TasmanTim King
 • West Coast-Tasman MPMaureen Pugh
 • Te Tai Tonga MPTākuta Ferris
Area
 • Total
6.28 km2 (2.42 sq mi)
Elevation
650 m (2,130 ft)
Population
 (June 2025)
 • Total
130
 • Density21/km2 (54/sq mi)
Time zoneUTC+12 (NZST)
 • Summer (DST)UTC+13 (NZDT)
Postcode(s)
7072
Area code03

Saint Arnaud (previously Rotoiti) is a small alpine village in the Tasman district of New Zealand's South Island, west of the mountains of the Saint Arnaud Range and 90 kilometres southwest of Nelson near the historic Tophouse Settlement. It is situated at the northern end of Lake Rotoiti.