
Rivers and streams · Waterway
Part of the Gowerton, Penclawdd & North Gower area guide
Penllergaer stream
A practical local guide to habitats worth checking and the plants most likely to need careful identification.
Map of Penllergaer stream
51.6712, -4.0198
The map shows the general area only. It does not mark confirmed invasive plant sites or individual properties.
About the area
Penllergaer stream facts
Penllergaer stream is a watercourse in the Swansea area, carrying water, seeds and soil downstream through the city and its valleys. It is part of Gowerton, Penclawdd & North Gower within the City and County of Swansea.
- Drains part of the Swansea area, eventually reaching Swansea Bay and the Bristol Channel.
- Water levels rise quickly after heavy rain, moving gravel, soil and plant material downstream.
- Banks and floodplains here are important wildlife corridors through built-up ground.
General local background, kept separate from the plant guidance below.
Local habitat
Where to look
Riverbanks, culverts, floodplain ground, wet ditches and bridge approaches are the main places where invasive or escaping garden plants can establish around Penllergaer stream.
This is habitat guidance, not a claim that a particular property or site is infested.


