In the rear of the Louth United Church at the back of the cemetery. Should be an easy find.
There is parking in the "driveway" of the church but I would not recommend parking there on Sunday as it would interfere with the service traffic.
There appears to also be a laneway into the cemetery itself, but again I would caution finders to park and walk to the cache as it is only a grass laneway and in the wet / inclement weather could cause damage to the area driving on it.... It will really only add 150m to your walk across flat, manicured lawn.