| Area: | Neath to Chepstow |
| County: | Rhondda Cynon Taff |
| Country: | Wales |
| Classification: | HuMP and sub Marilyn (also Clem and Tump) |
| Height: | |
| Maps: | 166(E) Explorer or 170 Landranger |
| Grid Ref: | SO044025 Hills nearby: 5km 10km 20km |
| Summit: | embedded flat rock on S side of artificial raised platform |
| Notes: | ground 50m SSE by trig point at SO 04425 02519 is 1m lower |
| Daylight: | dawn 07:32, sunrise 08:10, sunset 16:37, dusk 17:15 |
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