Preston River Loop and Waugyl Sculpture Park Off South West Highway, Donnybrook WA 6239 Walk the peaceful path alongside the Preston River. The Preston River Loop traverses through a lush riparian river ecosystem encompassing a suspension bridge, weir crossing and incorporates the Preston River Indigenous Walk Trail and the Waugyl Sculpture Park. As you walk along the 1.8-kilometre, grade 1 trail tread softly and see how many different birds and animals you can see. Contact Get Directions Media Trade Business Events Corporate Contact Us