The facility has been the club's permanent home since 2008.
To date €3.3m has been spent on developing purpose built, state of the art complex.
The opening will be performed by former GAA President Seán Kelly with the official ceremony commencing 3pm.
Eamonn Fitzgerald of De La Salle GAA Club says everyone is looking forward to the day.
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"We have worked long and hard to bring this day to fruition," he says. "We have two full sized playing pitches, a juvenile pitch, new clubhouse, a car park for a hundred cars, a hurling wall. We're thrilled with the development up there."
