Check out the Horse SA Business Members on the link on the left column of this website.

Visit "Horse riding" in the yellow pages www.yellowpages.com.au

or the Equestrian Federation of Australia website www.efanational.com, search for coaches by postcode. Many coaches have horses available for use in lessons.

Another source is www.southaustralia.com and search under "horseriding" (no gap in the words)