| Allt Lwyd | |
|---|---|
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Allt Lwyd viewed from the south
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| Highest point | |
| Elevation | 654 m (2,146 ft) |
| Prominence | 28 m (92 ft) |
| Parent peak | Waun Rydd |
| Listing | sub Hewitt, Nuttall |
| Coordinates | 51°51′40″N 3°20′20″W / 51.8611°N 3.3390°W |
| Naming | |
| Translation | grey slope (Welsh) |
| Geography | |
| Parent range | Brecon Beacons |
| OS grid | SO012215 |
| Topo map | OS Landranger 160 |
Allt Lwyd is a top of Waun Rydd in the Brecon Beacons National Park, in southern Powys, Wales.
The summit is heathery and marked by a small pile of stones. It is found at the end of Waun Rydd's south-east ridge. It overlooks Talybont Reservoir, and has the Talybont Forest on its steep flanks.