Caerphilly
10 pillars. 3 of them lost.
- Pillars
- 10
- Standing
- 7
- Lost
- 3
- Highest
- 449 m
Standing
| Name | Height | Note |
|---|---|---|
| Twmbarlwm | 419 m | |
| Pen-Y-Fan | 409 m | |
| Machen Hill | 364 m | |
| Mynydd Mayo | 321 m | |
| Gelligaer Common | 294 m | |
| Cincoed | 274 m | |
| Caerphilly Common | 271 m |
Lost
| Name | Height | Note |
|---|---|---|
| Twyn-Y-Waun | 449 m | Lost |
| Mynydd-Y-Grug | 356 m | Lost |
| Bwlch Carn-Y-Gelli | 355 m | Lost |