Location and surroundings
Barometer belongs to the Blairich Range, within New Zealand > South Island > Southern Alps > Main Divide of The Southern Alps. It is in Marlborough District in the Marlborough region of New Zealand. At 1,780 m, it is the highest of the 46 named peaks in the range and the range high point itself.
The mountain rises in an alpine setting of ridges, side spurs and open high-country slopes. Nearby summits are close enough that the terrain reads as a connected chain rather than an isolated peak, with lower hills and peaks stepping away to the northwest, west and southeast.
Neighbouring peaks
- Glenlee South (hill), 1,690 m, 1.4 km NW
- Glenlee North (peak), 1,720 m, 1.7 km NW
- Glenlee South (peak), 1,616 m, 1.8 km NW
- Snowdon (hill), 1,191 m, 2.5 km SE
- Mount Alexander (hill), 1,596 m, 2.5 km W
- Glenlee North (hill), 1,229 m, 2.7 km NW
- Mount Alexander (peak), 1,102 m, 2.8 km NW
- Big Bolton (hill), 1,466 m, 3.2 km E
These neighbours show that Barometer is one of the higher points in the immediate area. Several nearby summits are lower by a few dozen to several hundred metres, especially toward the northwest and southeast.
The view from the summit
Within 25 km, the highest peaks are all to the south. Tapuaenuku rises to 2,885 m at 18.5 km S, while Mount Alarm reaches 2,877 m at 19.9 km S. Other major peaks in view include Mitre Peak at 2,621 m (19.6 km S), Crows Nest at 2,449 m (16.8 km S), Mount Symons at 2,408 m (23.4 km S) and Mount Gladstone at 2,370 m (16.8 km S).
From Barometer, the broader skyline is dominated by higher Southern Alps summits to the south, while the immediate surroundings are lower ridges and peaks of the Blairich Range.
The range
Barometer is part of the Blairich Range, whose highest peak is Barometer itself. The range contains 46 named peaks and lies within the Southern Alps of New Zealand. In the range hierarchy, Barometer sits at the top of its own range and is the reference summit for the Blairich Range high point.
This position makes it the key elevation in the local chain, even though much higher mountains lie farther south in the wider Southern Alps. The range forms part of the Main Divide landscape, where steep relief and changing weather are common.
Climate and weather
Climate estimates from NASA POWER for 2001–2020 show that the summit is cold but above freezing on average in every month. The warmest month is January, at about 8 °C, and the coldest is July, at about 1 °C. Around the mountain, annual precipitation is about 750 mm, with the wettest month in June at about 80 mm and the driest in January at about 50 mm.
In this part of New Zealand, mountain weather can change quickly, with wind, cloud, rain and winter snow all possible. Exposed ridges and the Main Divide setting mean that visibility and footing can shift fast, especially after fronts move through.
Best time to visit
Because the summit stays above freezing on average all year, Barometer can be approached in different seasons, but the more settled months are usually the warmer part of the year. The drier period around January is generally more favourable than the wetter winter months, and snow, ice and short daylight make the colder season more demanding.
For a climb in this alpine terrain, visitors usually look for stable weather windows and carry clothing for rapid changes. Even in summer, wind and cold can be part of the day on the ridge.
Nature and wildlife
The mountain lies in an alpine environment of bare rock, tussock, scree and steep grassed slopes, with vegetation thinning as elevation increases. Lower parts of the range can support hardy mountain plants, while the upper slopes are more exposed and sparse.
Wildlife in this region is typical of New Zealand high country: birds adapted to open alpine terrain, along with insects and small animals that cope with cold, wind and seasonal snow. On the highest ground, the main natural challenges are exposure and unstable footing rather than dense vegetation.
Guides and organised ascents
For a mountain like Barometer, a certified guide is sensible if you are not used to route-finding, steep alpine terrain or fast-changing weather. In New Zealand, the national guide association is the New Zealand Mountain Guides Association, an IFMGA/UIAGM member. The national alpine club is the New Zealand Alpine Club.
Visitors often also look to established guiding companies working in the mountains of New Zealand, such as Alpine Guides Aoraki and Adventure Consultants. A guided trip usually includes route planning, safety decisions and equipment advice; the cost depends on the number of days, group size, hut nights and gear needed.
Safety and preparation
Barometer is a high alpine peak, so preparation should match steep ground, cold wind, sudden weather changes and the possibility of snow or ice outside the warmest period. Good navigation skills, layered clothing, food, water and a realistic turnaround time are important.
For emergencies in New Zealand, call 111 and ask for Police, who coordinate land search and rescue. On mobile phones, 112 and 911 redirect to 111.
Interesting facts
Barometer is the highest of the 46 named peaks in the Blairich Range, and it is also the range high point. The nearest listed higher mountains are not in the immediate neighbourhood but farther south in the Southern Alps, with Tapuaenuku the highest of those named within 25 km at 2,885 m.
Its position in Marlborough District places it in a part of New Zealand where the Main Divide terrain is rugged and weather-sensitive, with the summit standing above a cluster of lower nearby peaks and hills.
FAQ
How high is Barometer? Barometer rises to 1,780 m.
Where is Barometer located? It is in Marlborough District, Marlborough, on South Island in New Zealand, within the Blairich Range of the Southern Alps.
What range does Barometer belong to? It belongs to the Blairich Range, where it is the highest of the 46 named peaks and the range high point.
What are the nearest peaks to Barometer? The closest listed neighbours are Glenlee South 1.4 km to the northwest, Glenlee North 1.7 km to the northwest, and Snowdon 2.5 km to the southeast.
Is there water on the way to Barometer? In this alpine terrain, water is usually carried rather than relied on. Snowmelt may be available in season, but it should be treated, and on dry ridges you should plan to carry about 1.5-3 litres for a day, depending on heat and route length.
Are there huts on Barometer? OpenStreetMap shows no hut or shelter within 2 km of the top, so hikers usually plan the ascent as a day trip or carry their own tent.
How should I get mobile coverage near Barometer? Coverage in the hills is patchy and depends on the operator. On open ground it may be possible, but behind ridges and in valleys it often fails. 112 reaches emergency services over any available network, and maps should be downloaded before setting out.