The lake covers an area of and is at an altitude of above sea level. It is fed at its northern end by both the braided
Godley River and
Macaulay River, which have their sources in the
Southern Alps to the north. The
meltwater from the Southern Alps is tinged with a light turquoise colour from the glacial
silt. This gives Lake Tekapo its distinctive colour. To the east of Lake Tekapo lies the
Two Thumb Range with Mount Toby (2,222 m); Braun Elwert Peak (2,086 m); Dobson Peak (2,095 m) and Mount Maude (1,797 m) amongst the mountains overlooking Lake Tekapo. On the western side of Lake Tekapo. Mount John (1,031 m) is closest to the town with Lake Alexandrina further north and Mistake Peak (1,931 m) sitting towards the head of the lake. Cowans Hill (783m) lies at the southern end of Lake Tekapo behind the township and next to the
Tekapo River. The average water temperature on the surface of the lake varies between a low of 5.8 to 5.9 °C in September and a high of 17 °C in January. The lake is a popular tourist destination, and several resort hotels are located in the township of
Lake Tekapo at the lake's southern end. The Lake Tekapo Regional Park, administered by
Environment Canterbury, is located on the lake's southern shore.
State Highway 8 runs past Lake Tekapo at its southern end. On a clear day, the taller snow-capped peaks of
Aoraki / Mount Cook National Park are visible from Lake Tekapo. An astronomical observatory is located at
Mount John, which is to the north of the town, and south of the small
Lake Alexandrina.
Climate Lake Tekapo is one of the sunniest places in New Zealand with annual sunshine hours averaging more than 2,400 each year. == Dark-Sky Reserve ==