Ranked by Google ratings — updated 2026
The Souls of Ranelagh Monument
Boyle Abbey
Boyle
Roscommon Friary
Roscommon
Carnfree
Drumanone Portal Tomb
Oweynagat Cave - Uaimh na gCat
Rathcroghan Visitor & Heritage Centre
Tulsk
Former Penal Church, Roscommon Town
Roscommon
Emlagh High Cross
Derryglad Folk and Heritage Museum
Curraghboy
Oran Round Tower
Roscommon County Museum
Roscommon
Roscommon Old Gaol
Roscommon
Meehambee Dolmen
Athlone Castle
Athlone
Drum Monastic Site, Drum Middle Graveyard
Rathra - An Ráth Rátha
The Pigeon House - Ruins
Lecarrow Dolmen & Megalithic Cemetery
Elephant Grave Plaque
St brigids well
Castlemaine Lodge
Killinure Point
The Mucklaghs
John Haughey Sculpture
Athleague
Castle Kelly ruin (site of)
Aughrane
Rathcroghan Mound
Arigna Mining Experience
Arigna
Donamon Castle is currently the top-rated historical landmark in Co. Roscommon, with 4.8 stars from 50 Google ratings. See the full ranked list above.
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