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Latitude: 52.2557 / 52°15'20"N
Longitude: -3.3844 / 3°23'3"W
OS Eastings: 305598
OS Northings: 262851
OS Grid: SO055628
Mapcode National: GBR YP.034H
Mapcode Global: VH69F.9K5M
Entry Name: Castell Collen
Scheduled Date:
Source: Cadw
Source ID: 3320
Cadw Legacy ID: RD001
Schedule Class: Defence
Category: Fort
Period: Roman
County: Powys
Community: Llandrindod Wells (Llandrindod)
Built-Up Area: Llandrindod Wells
Traditional County: Radnorshire