Valley of the Giants and Tree Top Walk Day Tour from Perth. Calling true nature lovers! For an up-close look at ancient and rare tingle trees, take this day trip from Perth to the Valley of the Giants, located deep in southwestern Australia, 270 miles (430 km) from Perth. You’ll travel by coach, enjoying the picturesque Western Australian scenery on the way to the valley’s treetop walk, a 2,000-foot-long (600-meter) aerial walkway that provides amazing views of the old-growth forest. This day trip also includes stops in Donnybrook, William Bay and Denmark. Book this Tour and Save 20%! Valley of the Giants and Tree Top Walk Day Tour from Perth.