| 5477 | Craig y Llyn (boundary) | CoU,CoA | 589 | 1,932 | 0 | SN 90977 03168 |
| 3533 | Twyn Crugyrafan [Graig Fawr] | 5,Dew | 559 | 1,834 | 36 | SS 92040 95453 |
| 3536 | Mynydd Ton | 5,Dew,sHu | 539 | 1,768 | 92 | SS 94798 93957 |
| 3538 | Mynydd Tynewydd [Mynydd Ystradffernol] | 5,Dew | 518 | 1,699 | 32 | SN 93687 00917 |
| 3539 | Hirwaun Common | 5,Dew | 515 | 1,690 | 38 | SN 94271 03502 |
| 2291 | Mynydd Gethin | Hu,4,sMa | 491 | 1,611 | 148 | SO 04424 02518 |
| 5253 | Cadair Fawr | Hu,4 | 485 | 1,591 | 120 | SN 97794 12314 |
| 15599 | Cefn y Rhondda | 4 | 481 | 1,578 | 40 | SS 97145 97421 |
| 15603 | Cefn Gwyngul | 4 | 470 | 1,542 | 79 | ST 01191 97418 |
| 15628 | Mynydd Ty’n-tyle | Un | 428 | 1,404 | 29 | SS 99573 95981 |
| 15635 | Mynydd Pen-y-graig | Tu,4 | 416 | 1,365 | 33 | SS 98639 90597 |
| 2293 | Cefn Eglwysilan | Ma,3 | 382 | 1,253 | 235 | ST 09711 90511 |
| 2295 | Mynydd y Glyn | Ma,3 | 377 | 1,237 | 189 | ST 03193 89647 |
| 5259 | Moel Penderyn | Hu,3 | 371 | 1,217 | 105 | SN 93856 08735 |
| 15693 | Pen Y Foel | 3 | 331 | 1,086 | 60 | ST 07004 94443 |
| 15694 | Mynydd Troed-y-rhiw | 3 | 328 | 1,076 | 43 | ST 01250 92821 |
| 5275 | Mynydd Dinas | 3 | 312 | 1,024 | 86 | ST 00721 90662 |
| 5277 | Mynydd Maendy | Hu,3 | 301 | 988 | 135 | SS 98068 86158 |
| 2300 | Craig yr Allt | Ma,2 | 273 | 896 | 154 | ST 13333 85066 |
