how do I get to Helensburgh by train from Campbelltown please.
You will need to catch a train from Campbelltown back into the CBD area, or to Wolli Creek/Sydenham and from there catch an Illawarra train on the South Coast (Bomaderry/Wollongong) line down to Helensburgh and then make your way from Helensburgh to Symbio. Symbio is nowhere near the Train Station.
You should be able to catch a Greens Coach (bus) from the train station to the park and back to the station. Greens contact number is 4267 3884. to check time table and the info is on Symbio's website.
Great little wildlift park have taken the kids there many times when they were younger.