60 pieces · NaturePhoto by Danny Rienecker on Unsplash (Unsplash License). The green coastline of Senja meeting the Norwegian Sea — Senja is one of the three municipalities the new Andfjorden marine protected area extends into.
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Andfjorden Becomes Norway's Largest Marine Protected Area, 2026
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Andfjorden Becomes Norway's Largest Marine Protected Area, 2026
On 18 September 2026 the Norwegian government put 1,848.5 square kilometres of sea — about 714 square miles — under protection as the Andfjorden marine protected area, the largest of its kind in the country. It covers waters in the northernmost part of Nordland and the southernmost part of Troms, reaching into the municipalities of Andøy, Harstad and Senja. The point of the boundary is not a single reef or bay but a transect: it runs from the sheltered coast, including a threshold fjord, all the way out to open ocean, and from shallow water down into the deep, so the whole gradient is protected as one connected thing rather than in pieces.
The reason this particular fjord is worth that much water is a quirk of the seabed. Andfjorden sits where the continental shelf is at its narrowest anywhere along the Norwegian coast, and a canyon called Bleiksdjupet — a thousand metres deep — cuts straight into the shelf there. It pushes nutrient-rich deep water up into the higher water masses, where it mixes with the coastal current, and the coastal current in turn takes a swing into the fjord. The effect is an undersea landscape with an unusual range of life in it, including species that would normally be found far deeper. Coral reefs, coral forests, sponge forests and sea-pen communities grow below; kelp forests, shell-sand bottom and maerl beds occupy the shallows. On the shelf and along the shelf edge, where fishing has been intensive, much of the coral is in poor condition — which is exactly why fjords like Andfjorden now hold some of the best-preserved coral along the Norwegian coast. All of those habitats do the same quiet job: spawning, nursery and grazing grounds for harvestable fish, which in turn support a rich fishery and the large numbers of whales and seabirds the fjord is known for.
The photograph is the surface half of that story — the green mountainous coastline of Senja, one of the three municipalities the new reserve extends into, meeting the calm Norwegian Sea under soft summer light. As a puzzle it is a pleasant, orderly build with one genuinely hard band. The sky and the flat sea are broad and low-contrast, so do them by edge and by the horizon line rather than by colour. The mountain ridge is the fun part: a long green profile with real texture, gullies and changes of slope that make almost every piece identifiable. The rocky shoreline where land meets water is the third act and the most detailed area in the frame, so it rewards being left until the ridge above it is locked in place and you know precisely where the coast has to run.
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Frequently asked questions
- What exactly was protected, and when?
- The Andfjorden marine protected area, established by the Norwegian government on 18 September 2026. It covers 1,848.5 square kilometres — roughly 714 square miles — making it Norway's largest marine protected area. It spans waters in the northernmost part of Nordland and the southernmost part of Troms, extending into the municipalities of Andøy, Harstad and Senja.
- Why is Andfjorden ecologically special?
- It lies where the Norwegian continental shelf is at its narrowest, and Bleiksdjupet — a canyon 1,000 metres deep — cuts into the shelf there. That canyon lifts nutrient-rich deep water into higher water masses, where it mixes with the coastal current, and the coastal current swings into the fjord. The result is a highly varied undersea landscape containing species that normally live in much deeper water, along with coral reefs, coral forests, sponge forests, sea-pen communities, kelp forests, shell-sand bottom and maerl beds.
- Does protection mean fishing stops?
- No. The designation was framed as protecting nature while still allowing fisheries to operate, and the area's shallow and deep habitats are valued precisely because they provide spawning, nursery and grazing grounds for harvestable fish that support a rich fishery. Several zones inside the reserve hold particularly valuable and vulnerable biodiversity, and restrictions on activity are stricter in those zones than in the rest of the area. Management sits with a dedicated board made up of representatives from the municipalities, the county authorities and the Sámi parliament.
- Is this photograph of the protected area itself?
- It shows the coast of Senja, which is one of the three municipalities the new marine protected area extends into, so it is the right stretch of Northern Norway rather than an unrelated stand-in — though the picture is of the coastline above the water, not of the reefs and kelp forests the designation is mainly about. We publish only openly licensed images; this one is used under the Unsplash License, with the photographer credited beneath the picture.