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Pen Pumlumon Arwystli is the second highest summit on the Plynlimon massif, a part of the Cambrian Mountains in the county of Ceredigion, Wales. The summit is grassy, and is marked by 3 large ancient cairns. The views include Rhos Fawr, Drygarn Fawr, Pen y Garn to the south and Aran Fawddwy, Glasgwm, Tarrenhendre and Tarren y Gesail to the north. The longest river in Britain, the River Severn, has its source on a lower boggy plateau to the north of the summit.

Pumlumon Cwmbiga is a summit of the Pumlumon mountain range in Ceredigion, Wales. It is 620 metres (2,034) feet above sea level and is a deleted Nuttall, only just missing out on the criteria. The nearby summit of Carnfachbugeilyn is slightly higher at 622 metres (2,041 feet).

Hafren Forest lies north-west of Llanidloes, an ancient market town in Mid Wales.

Pen Pumlumon Llygad-bychan is a subsidiary summit of Pen Pumlumon Fawr and the third highest summit on the Plynlimon massif, a part of the Cambrian Mountains in the county of Ceredigion, Wales. It is not named on Ordnance Survey walking maps. The summit is boggy, and is marked by a few stones. The views include Rhos Fawr, Drygarn Fawr, Pen y Garn to the south and Aran Fawddwy, Glasgwm, Tarrenhendre and Tarren y Gesail to the north. The River Wye, has its source just south of the summit. The glacial lake of Llyn Llygad Rheidiol lies to the north.

The Elvis Rock is a rock alongside the A44 in Powys, Wales, near its border with Ceredigion. It is one of the most well known pieces of graffiti in Wales, with the word "ELVIS" written on it. The rock is located beside the main trunk road through the country, and appears out of context with the surrounding landscape.

Eisteddfa Gurig is a hamlet located in Ceredigion on its border with Powys and situated along the A44. Its name comes from the Welsh word eisteddfa, meaning seat and the name of St Curig. This gives the meaning of Curig's seat. It is said that Curig rested on the hill here and looked down into the Wye Valley. He decided to build a church in the valley, which is still there today in the village of Llangurig.The famous Elvis Rock is located here.

Plynlimon, also spelled as Pumlumon in Welsh (also historically anglicised as Plinlimon and Plinlimmon), is the highest point of the Cambrian Mountains in Wales (taking a restricted definition of the Cambrian Mountains, excluding Snowdonia, the Berwyns and the Brecon Beacons), and the highest point in Mid Wales. It is a massif that dominates the surrounding countryside and is the highest point (county top) of Ceredigion (both the modern council area, and the historic county, also known as Cardiganshire). The highest point of the massif itself is Pen Pumlumon Fawr, which is 752 metres (2,467 ft) above ordnance datum. Its other important peaks are Pen Pumlumon Arwystli, Y Garn, Pen Pumlumon Llygad-bychan and Pumlumon Fach. Bryn yr Ŵyn, or Hill of the Lambs, is a Dewey in the foothills. The longest river in Britain, the River Severn, has its source on the mountain, as do the rivers Wye and Rheidol. Folklore says there is a sleeping giant in Plynlimon.

Pumlumon Fach is a top of Pen Pumlumon Fawr on the Plynlimon massif, a part of the Cambrian Mountains in the county of Ceredigion, Wales. It lies on small ridge heading north-west from the summit of Pen Pumlumon Fawr. The summit is marked by small cairn, and overlooks the Nant-y-moch Reservoir to the north and Llyn Llygad Rheidiol to the east. The views also include the smaller summits of Drosgol (550m) and Banc Llechwedd-mawr (560m) and Cwm Hyddgen, a hide out of Owain Glyndŵr and his army.

Banc Bugeilyn is a hill found in Plynlimon between Aberystwyth and Welshpool in the United Kingdom; grid reference SN826925.The summit is class as a Dewey. The height of the summit from sea level is 551 m (1808 ft).

Cefn Croes is a wind farm in Ceredigion, Wales. It is located in the Cambrian Mountains on Cefn Croes mountain, 573m (1,880 ft) south of the A44 road between Aberystwyth and Llangurig, in west Wales. The construction of the wind farm commenced in February 2004, and was completed in the spring of 2005 when the 39 wind turbines started producing electricity. The maximum installed nameplate capacity is 58.5 MW.Nearby is the HuMP Y Glog (Draws Drum).

Bryn yr Ŵyn, or Hill of the Lambs, is a Dewey in the foothills of Plynlimon between Aberystwyth and Welshpool in Wales. The summit height is 502 m (1647 ft) and the prominence, or relative height, is 32 metres.

Y Glog or Draws Drum is a mountain in Ceredigion, Wales. It is 574 metres (1883 feet) above sea level and is located a few miles south of Pumlumon, north of Pen y Garn and just south of the A44 road. It is a HuMP. It is located in an area of bleak moorland with the Cefn Croes Wind Farm and the small lakes Llynoedd Ieuan nearby.