Hills listed

35

Highest hill

Pen y Fan 886 m

Mean height

714 m

Hewitts

23

Nuttalls

34

Marilyns

9

Access rights in this region

Conditional Right to roam in Wales: Right to roam only on mapped CRoW open access land — full Wales access guide.

This is the general position, not legal advice — local byelaws, seasonal restrictions and closures can override it. See the country-by-country access guide, or query an exact grid reference with the access checker.

All 35 hills, tallest first

Hills in Llandovery to Monmouth, sorted by height descending

#	Hill	Height	Prominence	Classifications	Grid ref
1	Pen y Fan	886 m	672 m	HewittNuttallHistoric County Top +5	SO012215
2	Corn Du	871.5 m	28.2 m	Nuttall	SO007213
3	Craig Gwaun Taf	826.4 m	16.1 m	Nuttall	SO005207
4	Waun Fach	811 m	622 m	HewittNuttallMarilyn +2	SO215299
5	Fan Brycheiniog - Twr y Fan Foel	802.5 m	424 m	HewittNuttallMarilyn +2	SN824220
6	Pen y Gadair Fawr	800 m	47 m	HewittNuttallSimm	SO229287
7	Cribyn	795 m	129 m	HewittNuttallHuMP +1	SO023213
8	Fan Foel	781 m	4 m	Historic County TopCurrent County/UA Top	SN821223
9	Waun Rydd	769.2 m	169 m	HewittNuttallMarilyn +2	SO062206
10	Fan Hir	760 m	42.7 m	HewittNuttallSimm	SN830209
11	Bwlch y Ddwyallt	754.1 m	18.9 m	Nuttall	SO055203
12	Bannau Sir Gaer - Picws Du	749.1 m	93.2 m	HewittNuttallSimm	SN811218
13	Fan Fawr	734 m	295 m	HewittNuttallMarilyn +2	SN969193
14	Fan Gyhirych	726.1 m	282 m	HewittNuttallMarilyn +2	SN880191
15	Pen Allt-mawr	719.6 m	103.5 m	HewittNuttallHuMP +1	SO206243
16	Fan y Big	716.7 m	28.5 m	Nuttall	SO036206
17	Rhos Dirion	713.4 m	22.3 m	Nuttall	SO211333
18	Black Mountain	703.6 m	155 m	HewittNuttallHistoric County Top +4	SO255353
19	Pen Cerrig-calch	701 m	53 m	HewittNuttallSimm	SO216224
20	Twmpa	690 m	79 m	HewittNuttallSimm	SO224350
21	Chwarel y Fan	679 m	72 m	HewittNuttallHistoric County Top +2	SO258294
22	Waun Lefrith	676.1 m	15.9 m	Nuttall	SN798214
23	Fan Fraith	668 m	17 m	Nuttall	SN887183
24	Fan Nedd	663 m	174 m	HewittNuttallMarilyn +2	SN913184
25	Mynydd Llysiau	663 m	42 m	HewittNuttallSimm	SO207279
26	Pen Twyn Mawr	658 m	18 m	Nuttall	SO242267
27	Allt Lwyd	653.1 m	27.7 m	Nuttall	SO078189
28	Pen Twyn Glas	646 m	20.1 m	Nuttall	SO213257
29	Garreg Las	635 m	94 m	HewittNuttallSimm	SN777203
30	Fan Llia	631.9 m	100 m	HewittNuttallHuMP +1	SN938186
31	Craig Cerrig-gleisiad	629 m	74.7 m	HewittNuttallSimm	SN960217
32	Fan Frynych	628.3 m	46.1 m	HewittNuttallSimm	SN957227
33	Y Gyrn	618.7 m	27.3 m	Nuttall	SN988216
34	Cefn yr Ystrad	617.3 m	177.2 m	HewittNuttallMarilyn +2	SO086137
35	Garreg Lwyd	616 m	104 m	HewittNuttallHuMP +1	SN740179

Hill data from the Database of British & Irish Hills v18.3 (CC BY 4.0). Prominence is the drop to the hill's key col; a dash means it is not recorded in our dataset.

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Browse the other survey areas on the regions hub, check what you can do at a specific spot with the access checker, and read our safety notes before heading up — hill days here can outlast daylight, especially in winter.