22/05/2025
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A paradise for water and nature lovers


The Alonnisos-Northern Sporades National Park is the largest marine national park in Europe and a unique natural paradise in Greece. Located in the northern part of the Aegean Sea, it includes the island of Alonnisos as well as numerous smaller islands and marine areas. The park covers an area of around 2,200 square kilometres and offers breathtaking landscapes and impressive biodiversity.


A refuge for endangered species

The national park is particularly well known for protecting the Mediterranean monk seal (Monachus monachus), one of the rarest seal species in the world. In addition to the seals, the park is home to numerous dolphin species, including the bottlenose dolphin and the common dolphin. Sea turtles, rare fish species and a rich bird life also find a protected habitat here.

Maritime explorations

The Alonnisos National Park is a fascinating area for boat lovers and nature conservationists. Navigation in certain areas is only permitted with special licences in order to protect the wildlife. Nevertheless, there are many opportunities to discover the beauty of the region from the water. Guided boat tours provide information about the conservation measures and take you to secluded bays and deserted beaches.

Diving in a natural paradise

Divers and snorkellers get their money’s worth in the national park. The underwater world is characterised by clear visibility and an astonishing variety. The underwater caves and coral reefs are particularly attractive, providing a habitat for colourful shoals and fascinating sea creatures.

Hiking and experiencing nature

The national park also has a lot to offer on land. On Alonnisos, well-developed hiking trails lead through pine forests, olive groves and along the coastline. Spectacular panoramic views of the Aegean can be enjoyed from the viewpoints.

Sustainable tourism

In order to preserve the fragile natural environment, those responsible are focussing on sustainable tourism. Visitors are asked to observe the park’s rules, avoid littering and treat nature with respect. These measures help to protect the fragile ecosystem in the long term.

Conclusion

The Alonnisos - Northern Sporades National Park is an absolute highlight for nature lovers, divers and boaters. Whether exploring the marine biodiversity or hiking through the green island world - the region offers unforgettable impressions in the midst of an unspoilt natural backdrop.