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The Great Britain Guide

Mountains & hills · South Wales

Pen Twyn Mawr

In or near Longtown.

Free admission

Pen Twyn Mawr — Named summit at 658 m.

Pen Twyn Mawr, mountains & hills in South Wales

Wikimedia Commons contributors — see linked file page for photographer and licence licence

Plan your visit

Typical visit
3 h–8 h
Best time of year
Late spring – early autumn (May–Oct)
  • Free entry
  • Dog-friendly

About

Pen Twyn Mawr is a named summit in the United Kingdom. Wikidata describes it as: "Named summit at 658 m.". Coordinates: 51.9338°, -3.1037°.

Photo gallery

Protected designations

  • Site of Special Scientific Interest: River Wye SSSI

Designations sourced from Natural England open data under OGL v3.

From the Wikipedia article

Pen Twyn Mawr is a top of Pen y Gadair Fawr in the Black Mountains in south-eastern Wales. It lies on one of the many south ridges of Waun Fach. The summit is marked by a pile of stones in an area of sandy soil and heather. Pen y Gadair Fawr is to the north, Chwarel y Fan to the east and Pen Allt-mawr to the west.

Excerpt from Wikipedia under CC BY-SA 4.0. See the source article linked in Sources below.

Coordinates
51.9338, -3.1037
District
Powys
Parish
The Vale of Grwyney
Postcode
NP7 7LY
Parliamentary constituency
Brecon, Radnor and Cwm Tawe

Sources

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Frequently asked questions

Where is Pen Twyn Mawr?
Pen Twyn Mawr is in South Wales, United Kingdom (postcode NP7 7LY), in the parish of The Vale of Grwyney.
What is Pen Twyn Mawr?
Pen Twyn Mawr — Named summit at 658 m.
How do I get to Pen Twyn Mawr?
Drivers can use postcode NP7 7LY.
Is Pen Twyn Mawr a protected site?
Yes — Pen Twyn Mawr is part of the River Wye SSSI Site of Special Scientific Interest.
Is Pen Twyn Mawr free to visit?
Yes, Pen Twyn Mawr is free to enter.
How do I get to Pen Twyn Mawr?
Drivers can navigate to postcode NP7 7LY. It sits within the Brecon, Radnor and Cwm Tawe parliamentary constituency.