Mynydd y Gwair (Penlle'r Castell)
371m (1217ft)
The South Wales area, Swansea, Wales
Mynydd y Gwair (Penlle'r Castell) is the highest point in the county of Swansea.
The summit of Mynydd y Gwair (Penlle'r Castell) is unmarked..
Not familiar with this top?
We will be adding easy-to-follow route maps up Mynydd y Gwair (Penlle'r Castell) very soon.
A go4awalk.com downloadable Peak Bagging Map in PDF format featuring Mynydd y Gwair (Penlle'r Castell) should be available soon.
Free-to-access Interactive Walk Planning Maps:
1:25,000 scale OS Explorer Maps (orange/yellow covers):
An Interactive Walk Planning Map for OS Explorer 165 Swansea, Neath & Port Talbot is not currently available
1:50,000 scale OS Landranger Map (pink/magenta covers):
An Interactive Walk Planning Map for OS Landranger 159 Swansea & Gower, Carmarthen is not currently available
Fellow go4awalkers who have already walked, climbed, scaled, summited, hiked & bagged Mynydd y Gwair (Penlle'r Castell)
Sion Britton walked up Mynydd y Gwair (Penlle'r Castell) on July 1st, 2025 [from/via/route] Rhedeg o'r Ffordd. [with] Solo [weather] Braf
To add (or remove) your name and experiences on this page - Log On and edit your Personal Mountain Bagging Record
Send us your photographs and pictures on, of, or from Mynydd y Gwair (Penlle'r Castell)
If you would like to add your walk photographs and pictures to this page, please send them as email attachments (configured for any computer) along with your name to:
and we shall do our best to publish them.
(Guide Resolution = 300dpi. At least = 660pixels (wide) x 440 pixels (high).)
You can also submit photos via our Facebook Page.
NB. Please indicate where each photo was taken and whether you wish us to credit your photos with a Username or your First Name/Last Name.
