| Also known as: | Mynydd Cwmcelli |
| Area: | Cadair Idris |
| County: | Gwynedd |
| Country: | Wales |
| Classification: | Marilyn and HuMP (also Clem and Tump) |
| Height: | |
| Maps: | OL23(E) Explorer or 124, 125 Landranger |
| Grid Ref: | SH804099 Hills nearby: 5km 10km 20km |
| Summit: | ground less than 1m from trig point |
| Daylight: | dawn 07:04, sunrise 07:40, sunset 17:17, dusk 17:53 |
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