Each of the trail guides offers multiple options for where to ride in each of the states. The summaries for the trails also include access points and a difficulty rating ranging from "easy" to "very difficult." A brief description also lets riders know what they can expect along the route, including distance, terrain, and other pertinent information.
Whether you're an Aussie yourself, of you would just like to discover what the country has to offer in terms of mountain bike trails, you'll find some good options here. Simply pick your location of choice from the Northern Territory, Tasmania, Queensland, Western Australia, South Australia, New South Wales, or Victoria.
The video below is an example of what to expect when riding Down Under. It was shot on the Blue Tier Descent in Tasmania. Enjoy!