A relatively quick cache and dash, there's ample parking in front of the church.
Clonbeg Church is an interesting location to visit. The church was founded by St. Edna, and the current church is Church of Ireland but has a both Catholic and Church of Ireland burial ground. The church building shares the ground with the ruins of a much earlier church.
The cache is outside the church boundary (across the other side of a small stream). No need to move any hard core structure to find the cache - it should be in plain sight (or possibly under light growth cover only.