Subcatchment:Afon Hirddu - source to Lake Vyrnwy

Catchment

River basin district	Severn
River basin	Severn Uplands

Subcatchment

River name	Afon Hirddu - source to Lake Vyrnwy
Area category	10 - 100 km²
Area (km2)
Maximum altitude category	500 - 1000 m
Maximum altitude (m)	582582 m <br />0.582 km <br />58,200 cm <br />
Dominant geology	Siliceous
Ecoregion	Great Britain
Dominant land cover	Bog
Waterbody ID	GB109054049810

Location: 52° 46' 43.39" N, 3° 32' 50.24" W

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