Location and surroundings
Tanaga Volcano is part of the North American Cordillera, specifically within the Alaska-Yukon Ranges, the Aleutian Range, the Aleutian Islands, and the Andreanof Islands. Located in the Unorganized Borough of Alaska, United States, it ranks as the highest of 34 named peaks in the Andreanof Islands. The surrounding landscape is shaped by volcanic activity, rugged terrain, and remote maritime weather conditions typical of the region.
Neighbouring peaks
Several peaks and passes surround Tanaga Volcano in the region:
- Tanaxagiigamax (peak), 1,442 m, 8.1 km E
- Coolie Hat (peak), 49 m, 38.7 km SE
- Mount Gareloi (peak), 1,440 m, 45.9 km W
- Bobrof Volcano (peak), 738 m, 48.2 km E
- Kidney Hill (peak), elevation unknown, 53.8 km E
- Kanaga Volcano (peak), 1,307 m, 67.4 km E
- Mount Vincennes (peak), 591 m, 95.3 km E
- Mount Moffett (peak), 1,196 m, 96.3 km E
Standing at 1,804 metres, Tanaga Volcano easily surpasses all these neighbouring elevations, maintaining its status as the highest point among them.
The view from the summit
From the high point of Tanaga Volcano, several notable peaks within a 25 km radius can be observed on clear days. The highest nearby summits include East Tanaga at 1,584 m, located 1.7 km NE, and Sajaka at 1,354 m, situated 3.6 km W. These volcanic neighbours dominate the immediate horizon, offering a stark vista of rugged terrain across the surrounding landscape.
The range
Tanaga Volcano belongs to the North American Cordillera, descending through the Alaska-Yukon Ranges, the Aleutian Range, the Aleutian Islands, and finally the Andreanof Islands. The range encompasses 34 named peaks in total. Tanaga Volcano is the highest peak of the Andreanof Islands, holding the primary elevation rank within this specific island group.
Climate and weather
Climate data for Tanaga Volcano are estimates derived from NASA POWER climate data covering the years 2001 to 2007. At the summit, temperatures are adjusted for elevation, featuring a mean temperature in the warmest month of August at about -2 °C, and in the coldest month of April at about -6 °C. There are no months with a mean temperature above freezing at the summit. In the surrounding area, precipitation reaches about 1,100 mm a year, with August being the wettest month at about 115 mm and May the driest at about 65 mm. Typical regional hazards include sudden storms, strong winds, and heavy precipitation.
Best time to visit
Based on the climate data for Tanaga Volcano, there are no months with a mean temperature above freezing at the summit, meaning winter conditions persist year-round at high altitudes. The surrounding area experiences lower precipitation during May, which sees about 65 mm of rain or snow, making the slightly drier spring months preferable for any attempts, though severe alpine weather can occur at any time.
Nature and wildlife
The environment around Tanaga Volcano is characterised by subpolar maritime tundra, rugged volcanic rock, and steep slopes devoid of tall trees due to high winds and cold temperatures. Local fauna includes seabirds and marine mammals along the coasts, alongside hardy tundra vegetation. The area is protected, with the Alaska Maritime National Wildlife Refuge (Wildlife Sanctuary) and the Aleutian Islands Wilderness (Wilderness Area) situated at or near the summit.
Guides and organised ascents
For climbs on challenging terrain and high mountains in the United States, hiring a certified guide is advisable. Visitors typically look to the American Mountain Guides Association, an IFMGA/UIAGM member, or the American Alpine Club for national representation and alpine standards. Established guiding companies operating within the country include RMI Expeditions based in Ashford, Washington, and Exum Mountain Guides based in Moose, Wyoming. Guided ascents typically depend on days, group size, hut nights, and required equipment. Regarding permit rules in the United States, some peaks require climbing registration or permits from the land agency, such as Denali or Mount Rainier.
Safety and preparation
The height and terrain of Tanaga Volcano demand full alpine preparation, proper navigation tools, and experience in handling severe weather and remote wilderness environments. For mountain rescue in the United States, the general emergency number is 911, which connects callers to dispatchers who alert local search and rescue teams typically run by the county sheriff or national park service.
Interesting facts
Tanaga Volcano is notable as the highest peak of the Andreanof Islands out of 34 named summits. It features an impressive elevation and topographic prominence of 1,804 metres, meaning it rises directly from sea level or low flanks without a higher intervening point nearby. Its closest neighbour is Tanaxagiigamax, standing 1,442 metres high at a distance of 8.1 kilometres to the east.
FAQ
How high is Tanaga Volcano? Tanaga Volcano reaches an elevation of 1,804 metres.
Where is Tanaga Volcano located? It is located in the Unorganized Borough of Alaska, United States, within the Andreanof Islands.
Which mountain range does Tanaga Volcano belong to? It belongs to the North American Cordillera, the Alaska-Yukon Ranges, the Aleutian Range, the Aleutian Islands, and the Andreanof Islands.
What are the nearest peaks to Tanaga Volcano? The nearest peaks include Tanaxagiigamax at 8.1 km east, Coolie Hat at 38.7 km southeast, and Mount Gareloi at 45.9 km west.
Is there water on the way to Tanaga Volcano? There are no mapped huts or springs with verified drinking water along the typical approaches; hikers must carry 1.5 to 3 litres of water and treat any natural sources found near snowmelt.
Are there huts on Tanaga Volcano? OpenStreetMap shows no hut or shelter near the top, so visitors typically plan the ascent as a day trip or carry their own tent.
How is the mobile phone coverage on Tanaga Volcano? Coverage in these remote islands is patchy and unreliable, so maps should be downloaded beforehand and emergency calls can be attempted via 112 over any available network.