| Area: | Anglesey and the Lleyn Peninsula |
| County: | Gwynedd |
| Country: | Wales |
| Classification: | Marilyn and HuMP (also Clem and Tump) |
| Height: | |
| Maps: | 253 Explorer or 123 Landranger |
| Grid Ref: | SH301330 Hills nearby: 5km 10km 20km |
| Summit: | base of W side of wall on grassy knoll |
| Daylight: | dawn 06:55, sunrise 07:32, sunset 16:31, dusk 17:08 |
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