Malltraeth Marsh, Protected wetland site in Anglesey, Wales
Malltraeth Marsh is a large protected nature site on the Welsh island of Anglesey containing a mix of water bodies, open fields, and natural habitats. A railway line runs through it, while reclaimed farmland along its western edge shows how humans have shaped this landscape over time.
In the late 1700s, major embankments were built to drain large parts of the marsh for agricultural use. These engineering works permanently altered the landscape and created the mixed terrain seen today.
The name comes from Welsh origins and reflects how local people historically understood this waterlogged terrain as part of their landscape.
The site is best explored on foot using the maintained paths and viewing platforms scattered throughout. Visit during spring or autumn when migratory birds pass through for the greatest diversity of wildlife.
The fields contain faint traces of ancient salt marsh creeks visible as shallow depressions in the ground. These old waterways reveal the landscape's earlier form before modern drainage work reshaped the terrain.
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