Mundaring Weir is one of the world's greatest engineering projects. Completed in 1903, the Weir was the start of the water pipeline, designed by C Y O'Connor, that pumped water 700 kilometres to the Kalgoorlie goldfields. This is a popular day trip destination and there is plenty to fill your day. Mundaring Weir is located in natural bushland in the Perth Hills and there are a number of bushwalking trails you can enjoy before settling down for a picnic and exploring the herit

This is a longer 8-9 km walk through Beelu National Park starting from The Dell and following a loop trail via South Ledge picnic area where you can detour to the Golden View Lookout. It is a lovely forested walk with views down the Helena River Valley and across to Mundaring Weir and C.Y. O'Connor Reservoir. Parts of this trail follow the Munda Biddi Cycle Trail, the Winjan Track and the Bibbulmun Track respectively. We parked at The Dell off Mundaring Weir Road. The Mu