This trek starts at The Garden road turn off, also known as the Altunga Tourist Drive. It gets you off the bitumen a little bit quicker and is a nice alternative than starting at the Stuart Hwy and Plenty Hwy intersection. You follow the Altunga Tourist Drive to the Pinnicle road turn off follow this road north to the Plenty Hwy. It comes out just east of The Gemtree.Then it s a matter of turning left and fuel up at The Gemtree or turn right and continue along the Plenty Hwy to Boulia. .