Alan Mangan's side are hoping to keep up their 100% record.
Castletown Geoghegan manager Alan Mangan says Clonkill will be a tough test for side this weekend.
The reigning Westmeath Hurling Champions can make it three wins from three with victory over their old rivals, having beaten Lough Lene Gaels and Castlepollard in their opening two games.
Clonkill were beaten by Raharney in their previous fixture, but did open their season with a win over Castlepollard.
Mangan says his side need to wary of the challenge that Clonkill will bring:
Throw in is at 6:00pm from Cusack Park this Sunday.
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