Spinnies, Aberogwen
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| Spinnies Aberogwen | |
|---|---|
 View of the Spinnies Nature Reserve | |
  Location in Wales | |
| Location | near Bangor |
| OS grid | SH613720 |
| Coordinates | 53°13′39″N 4°04′43″W / 53.2275°N 4.0785°W |
| Area | 3 hectares (7.4 acres) |
| Operated by | North Wales Wildlife Trust |
| Website | Spinnies Aberogwen |
Spinnies Aberogwen is a nature reserve located near Bangor, in Gwynedd, Wales. The reserve is managed by the North Wales Wildlife Trust.[1] The reserve encompasses a unique mixture of saltwater and freshwater habitats where the River Ogwen meets Conwy Bay, creating an important ecological transition zone. It provides critical refuge for migratory birds and serves as an educational resource for local schools and universities. Traeth Lafan is adjacent and designated as a Site of Special Scientific Interest (SSSI), as an example of coastal mudflats.
Although the wetland ponds at Spinnies Aberogwen are now valued for their wildlife, they were originally "borrow pits" dug by Victorian labourers when the River Ogwen was canalised in 1822. The reserve remains part of the Penrhyn Estate but has been managed by the North Wales Wildlife Trust since 1983. A simple sluice gate still regulates freshwater input from Snowdonia, controlling water levels and salinity to prevent flooding and maintain the lagoon ecosystem.[1]
The reserve occupies a small coastal woodland centred on Aberogwen Lagoon in Gwynedd. The reserve comprises a series of shallow ponds fringed by mixed deciduous woodland, forming a mosaic of wetland habitats that are largely free from intensive management.[2]