Campbell Rhododendron Gardens, in Bacchante Street Blackheath NSW (about 1km from Blackheath railway station), cover an area of 18.3 hectares. The Gardens are unique, where exotic plants thrive under a canopy of Australian native bushland. Rhododendrons and Azaleas are at their flowering best between late-September and mid-November, and winding paths make exploration of the Gardens easy and fun