Danube Delta

The Danube Delta is the triangular river delta of the Danube where it flows into the Black Sea in eastern Romania, forming one of Europe’s largest and best-preserved deltas. It is internationally recognised for its size, habitats and wildlife value and is protected as a biosphere reserve.

The landscape is a mosaic of channels, reed beds, freshwater lakes and marshes interspersed with forested islands such as Letea; boat excursions along the Chilia, Sulina and Sfântu Gheorghe branches are the standard way to explore the area. The delta is particularly important for waterbirds, and seasonal migrations bring large congregations of species to the wetlands.

Visitors use small tourist vessels and guided trips to reach remote lakes, colonies of nesting birds and village communities that live within the reserve; many excursions start from the city of Tulcea. Wildlife observation, canoeing and small-boat safaris are the principal visitor activities.

Formed by sediment deposited by the Danube over millennia, the delta’s channels and islands have supported local fishing and reed-harvesting communities for centuries. Modern conservation measures have established protected zones and management plans to balance human use with biodiversity protection.

The delta occupies the northeastern corner of Romania where the Danube meets the Black Sea, with the city of Tulcea serving as the main access and service town for the reserve.

• Biodiversity highlight: The delta supports over 300 bird species and many fish species, making it one of Europe's richest wetland biodiversity areas and a prime site for birdwatching.
• Access point: Tulcea functions as the principal gateway for boat excursions into the delta and for arranging guided tours of different channels and protected areas.

What to See #

• Main River Branches: The three main distributary branches of the Danube within Romania - the Chilia, Sulina and Sfântu Gheorghe branches - which form the fluvial network feeding the delta.
• Habitats and Forests: Key habitats including reed beds, lagoons and the Letea Forest, which together support a high diversity of birds, fish and wetland flora.