This is a big place - so if you're heading it's best to have some idea of where you're going or where you're looking for. However, you can ask at the information desk for the grave number of the person you wish to find if you can provide their name and roughly when they passed away (even a decade will do). The search is quick and very accurate and the lady I dealt with could not have been nicer. They also have excellent tours, a museum and a nice cafe should you fancy a break. Generally, the maps, markings and footpaths/roads are excellent, so you should be able to find anybody they can give you a location for with minimal wandering around. A very well maintained, peaceful and welcoming place which is befitting of many of those laid to rest there.