Open to the public:
Yes, entry is free (Sometimes public access is restricted due to works for example. Check before you visit)
About Coshkib Rath Pair: The Twin Towers
Two circular embanked enclosures close together, one with a waterlogged interior. These may not be ‘ordinary’ Early Christian farmstead enclosures but their nature is uncertain without excavation. No established access.
Other historic places you can visit: