Ancient Monuments

History on the Ground

This site is entirely user-supported. See how you can help.

Twyn Castell

A Scheduled Monument in Gelligaer, Caerphilly (Caerffili)


Latitude: 51.6646 / 51°39'52"N

Longitude: -3.2496 / 3°14'58"W

OS Eastings: 313672

OS Northings: 196942

OS Grid: ST136969

Mapcode National: GBR HV.67BP

Mapcode Global: VH6DD.MFF8

« Listing Details

Entry Name: Twyn Castell

Scheduled Date:

Source: Cadw

Source ID: 2248

Cadw Legacy ID: GM121

Schedule Class: Defence

Category: Motte

Period: Medieval

County: Caerphilly (Caerffili)

Community: Gelligaer

Built-Up Area: Ystrad Mynach

Traditional County: Glamorgan is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact for any queries related to any individual ancient or schedued monument, planning permission related to scheduled monuments or the scheduling process itself. is a Good Stuff website.