| Area: | Cadair Idris |
| County: | Gwynedd |
| Country: | Wales |
| Classification: | Marilyn and HuMP (also Clem and Tump) |
| Height: | |
| Maps: | OL23(W) Explorer or 135 Landranger |
| Grid Ref: | SH624042 Hills nearby: 5km 10km 20km |
| Summit: | cairn |
| Daylight: | dawn 05:48, sunrise 06:24, sunset 20:09, dusk 20:45 |
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