The usual location is Noorumba Guide Camp. The site used is Crown Reserve near Woronora (Sutherland Shire, Sydney) and administered by Girl Guides Assoc NSW.
Map link: Google maps
Travel: participants arrange their own travel to the site.
To access Noorumba, several tracks reach the valley from rail stations at Sutherland and Loftus.
Cars can be parked at Prince Edward Park, in Thorp Road, Woronora, or Kingswood Rd Engadine.
*** IMPORTANT NOTE: No RockSchool visitors cars are allowed on site. They will need to be left at one of the previously mentioned locations, and you and your group must walk along the fire trail to the RockSchool site. ***