Pen y Castell

{{Short description|Hill in Conwy County Borough, Wales}}

{{Use dmy dates|date=April 2022}}

{{Infobox mountain

| name = Pen y Castell

| photo = Open moor west of Pen y Castell - geograph.org.uk - 362594.jpg

| photo_caption = Foel-fras(right) and Garnedd Uchaf (left) from the summit of Pen y Castell.

| elevation_m = 623

| elevation_ref =

| prominence_m = 29

| listing = sub Hewitt, Nuttall

| language = Welsh

| location = Conwy, Wales

| range = Snowdonia

| grid_ref_UK = SH708695

}}

Pen y Castell is a summit in the Carneddau mountains in north Wales. It tops the east ridge of Drum (Wales). The summit consists of rocky outcrops amid a small boggy plateau. Views of the higher Carneddau ridge to the west, Craig Eigiau to the south, Tal y Fan to the north and the Conwy valley to the east can be seen.Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. {{ISBN|1-85284-304-7}}.