Location and surroundings
Mount Erebus belongs to the broad chain New Zealand > South Island > Southern Alps > Main Divide of The Southern Alps > Serpentine Range. It is in Queenstown-Lakes District in Otago, and the landscape is a steep alpine one with ridges, saddles, and nearby summits rather than settled lowland terrain.
At 1,978 m, it is a high hill by New Zealand standards and the highest of the four named peaks in the Serpentine Range. The area around the summit lies within Mount Aspiring National Park and the wider Te Wāhipounamu - South West New Zealand World Heritage Area.
Neighbouring peaks
The closest named hills, peaks, and passes give a clear sense of the local ridge pattern around Mount Erebus. It is higher than several nearby features, but lower than the larger summits to the north-east.
- Mount Xenicus (hill), 1,912 m, 1.5 km south
- Conical Hill (peak), 1,515 m, 3.0 km south-west
- Harris Saddle/Tarahaka Whakatipu (mountain pass), 1,255 m, 3.2 km south-west
- Momus (hill), 2,148 m, 3.9 km north-east
- Somnus (peak), 2,293 m, 4.6 km north-east
- Emily Pass (mountain pass), 1,607 m, 4.7 km south
- Ocean Peak (hill), 1,848 m, 4.9 km south
- Emily Peak (hill), 1,815 m, 5.1 km south
The nearest higher peak is Momus, which rises 3.9 km to the north-east.
The view from the summit
From Mount Erebus, the main high points within 25 km are part of the same rugged alpine skyline. To the north-east are Mount Earnslaw at 2,830 m and Sir William Peak at 2,610 m, while Mount Head lies farther north-east at 2,585 m. To the north-west, Mount Tutoko reaches 2,723 m, and Mount Madeline is also in that sector at 2,536 m.
To the south-west, Mount Christina rises to 2,474 m. These peaks show that Mount Erebus sits among much larger mountains, with views likely dominated by sharp ridges and high, broken country rather than distant lowlands.
The range
Mount Erebus is part of the Serpentine Range, whose highest point is the range itself at Mount Erebus. The range has four named peaks, and Mount Erebus ranks first among them by elevation.
The range sits within the wider Southern Alps of New Zealand, on South Island. In that local context, Mount Erebus is the top named summit of the Serpentine Range, but it is still lower than several major peaks visible within a short radius.
Climate and weather
Climate estimates from NASA POWER for 2001–2020 suggest a cold alpine summit climate at Mount Erebus. The warmest month is February, at about 4 °C, and the coldest is June, at about 0 °C. Mean temperatures are above freezing at the summit in January, February, March, April, May, November, and December.
Precipitation in the surrounding area is about 2,150 mm a year. The wettest month is January, at about 200 mm, and the driest is February, at about 155 mm. Expect changeable mountain weather, with wind, rain, and snow possible even in the warmer months.
Best time to visit
The most practical time for a visit is usually the warmer part of the year, when summit temperatures are more often above freezing and daylight is longer. For Mount Erebus, that means the months with mean temperatures above freezing at the summit: January through May, and November and December.
Even then, conditions can turn quickly in the Southern Alps, so a visit should be planned for settled weather and with enough margin for wind, rain, or snow. In winter and early spring, the summit environment is colder and more demanding.
Nature and wildlife
The country around Mount Erebus is typical of the high Southern Alps: steep rock, alpine grass, sparse herb fields, and exposed ridges above the treeline. Lower slopes in this part of Otago can support beech forest and subalpine scrub, while higher ground is more open and weathered.
The summit area lies in Mount Aspiring National Park and the Te Wāhipounamu - South West New Zealand World Heritage Area, so the setting is part of a protected alpine landscape. Wildlife in such terrain is usually limited to hardy mountain birds and small alpine species adapted to cold, wind, and snow.
Practical tips
A walk in this area calls for sturdy footwear with grip for rock, scree, and wet ground, plus a warm layer and wind protection. In alpine New Zealand, weather can change fast, so carry clothing for colder conditions than the valley forecast suggests. If you are moving through the protected area, stay on established paths where they exist and avoid damaging fragile alpine plants.
For mountain rescue in New Zealand, the emergency number is 111; ask for Police, who coordinate land search and rescue. On mobiles, 112 and 911 redirect to 111.
Interesting facts
Mount Erebus is the highest of the four named peaks in the Serpentine Range, and the range’s high point is the mountain itself. The nearest higher summit is Momus, 3.9 km to the north-east, which shows how quickly the terrain rises again beyond the local ridge.
The mountain also sits inside two protected designations at once: Mount Aspiring National Park and the Te Wāhipounamu - South West New Zealand World Heritage Area. That places it in one of the most strictly valued alpine landscapes in New Zealand.
FAQ
How high is Mount Erebus? It rises to 1,978 m.
Where is Mount Erebus? It is in Queenstown-Lakes District, Otago, on South Island in New Zealand, within the Serpentine Range of the Southern Alps.
What is Mount Erebus the highest point of? It is the highest mountain in the Serpentine Range.
What peaks and passes are close by? Nearby are Mount Xenicus, Conical Hill, Harris Saddle/Tarahaka Whakatipu, Momus, Somnus, Emily Pass, Ocean Peak, and Emily Peak.
What is the nearest higher peak? Momus, at 2,148 m, lies 3.9 km to the north-east.
What is the mobile phone coverage like? Coverage in the hills is patchy and depends on the operator. On an open top with masts in sight a signal is more likely, while deep valleys and ridges often block it. 112 reaches emergency services over any available network, and maps should be downloaded before setting out.
What is the summit area protected as? It lies in Mount Aspiring National Park and the Te Wāhipounamu - South West New Zealand World Heritage Area.