| Also known as: | Tyrrau Mawr |
| Area: | Cadair Idris |
| County: | Gwynedd |
| Country: | Wales |
| Classification: | Hewitt, Nuttall, and HuMP (also Clem, Sim, and Tump) |
| Height: | |
| Maps: | OL23(W) Explorer or 124 Landranger |
| Grid Ref: | SH677135 Hills nearby: 5km 10km 20km |
| Summit: | no feature: ground 10m from fence junction |
| Notes: | ground 8m W is just lower |
| Daylight: | dawn 07:36, sunrise 08:15, sunset 16:37, dusk 17:16 |
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1 other walkers registered on our site have already walked up this hill including: SheepFarmer.
In our forum you can read the following walk reports which include this hill: