Start from the Hardinge Park parking area (at waypoint ‘START’) and cross Hardinge Road to the junction of two old vehicle tracks at ‘1’ within 25m of the road. Take the vehicle track that initially swings to the left (ESE), then within 50m meets a Y-junction at ‘1A’. Take the right hand fork and follow the wide vehicle track steadily uphill SSW, obtaining good views WNW to Perth city before arriving at a track junction at ‘3’. Then veer sharp left (ESE) and more steeply uphill to ‘4’, where the track passes within 100m of the northern edge of the deep Boral Quarry on the right. (This can be viewed by diverting down a short sidetrack on the right at ‘4-1’, but keep well back from the sheer drop!). Continue via ‘4-2’, heading ESE as the track climbs more gently to a ridge and crosses a track junction at ‘5’. Turn right at ‘6’ to follow an old, partly overgrown track southward for 150m through the jarrah forest and parrot bush understorey. Cross another old vehicle/dozer track at ‘7’ and continue on a narrower and partly overgrown foot-track initially toward the SW to ‘7-1’ where the track turns sharply SSE downhill through dense, scratchy heathland and may be a challenge to follow in places. (Take care you don’t continue SW off-track beyond ‘7-1’ as the steepening slope in that direction leads to the precipitous edge of the quarry only 150m away!) Cross a small stream at ‘8’ and head up the lightly wooded hillside to ‘9’ picking your own clearest off-track route as the foot-track disappears after the stream crossing. Then veer sharply right (SW) to reach a small rocky escarpment at ‘10’.Veer left (SE) to ascend the escarpment onto the almost flat pebbly/rocky surface of a laterite plateau. Continue SE, picking the easiest way through the patchy understorey of ‘Prickly Moses’ and other shrubs, to reach a W-E vehicle track at ‘11’. Turn left to follow the vehicle track eastward for about 250m to ‘12’, then veer right off-track to head initially SE through quite open jarrah forest with little understorey. At ‘13’ veer more southward to reach the southern edge of the plateau surface by ‘14’, then veer SW (right) to descend the initially rocky, steeper slope. Cross an old, partly overgrown vehicle track at ‘15’ and continue SW, still off-track, to meet another old vehicle track at ’16’. Follow the vehicle track SW down the steepening hillside. After about 200m the track veers southward to reach Stokely Creek (at ‘17’). After crossing the creek follow the track SSE up the side valley via ‘18’ passing a patch of open wandoo woodland to reach a saddle on the ridge. Veer right (initially southward) at the junction at ‘19’ where another vehicle track joins from the left. Then follow the vehicle track as it descends SW-ward from the ridge into Ellis Brook valley. Initially it descends part way down a narrow side valley flanked by wandoo trees, then after about 400m it swings onto a small spur ridge, and passes on the left a cyclone fence which surrounds the abandoned Barrington Quarry. (This quarry was opened in the 1950’s and was closed in 1963. It was then used for some time as a popular swimming hole known as “the rockies”, but is now fenced off for safety reasons.) The track soon after meets the old road to the quarry (at ‘20’). Turn left at the junction and walk south for less than 50m (to ‘21’) across an open gravelled area which was formerly part of the quarry. From ‘21’ you get a great view up the valley to Sixty Foot Falls, only 400m to the SE. The Falls make an especially impressive sight when flowing after heavy winter rain. After soaking up the view head back across the gravelled area to locate at ‘22’ the entry to the track down to Ellis Brook. Follow the well-formed foot-track down the hillside to cross Ellis Brook via a small footbridge, and turn left at the track junction at ‘23’ to follow the foot-track SE-ward up the valley to Sixty Foot Falls. (Note: Turning right at ‘23’ would take you to the nearby carpark at the end of Rushton Road which provides an alternative Start point for the walk circuit). At ‘24’ a short sidetrack (less than 50m) offers a good vantage point for viewing the Falls, only 100m away. The track then climbs quite steeply to a lookout platform at ‘25’ from where there are good views back down the valley and across the Falls. At ’26 the track reaches a bare granite outcrop at the top of the Falls. If Ellis Brook is flowing this makes a nice spot to stop for lunch and to take in the city view before crossing the stream and following the foot-track up the hill. After crossing the stream, veer left at ‘27’. On reaching a Y-junction at ‘28’ take the less distinct right-hand (NNE) fork which heads NNE up the hillside. The foot-track soon veers eastward, onto a broad ridge and reaches a large granite outcrop at ‘29’. (Here you can take a diversion about 80m to the left through the heath to obtain good westward views across the Swan Coastal Plain). The track soon re-enters tall heath and shrubland with dense Calothamnus and Hakea shrubs which tend to encroach from both sides during periods between occasional track maintenance. Soon after ‘30’ the track crosses a forested laterite plateau via ‘31’, and then gently descends to meet another vehicle track at ‘32’. Turn left and follow the track northward via ’33’ and on to ‘34’. Then veer off-track to the right, following traces of an old very overgrown vehicle track for about 100m to ‘35’. Continue off-track, veering left (NNE) to reach a vehicle track at ‘36’. Immediately before reaching ‘36’ you will pass a large excavated pit or waterhole containing a stand of paperbarks. This is most often dry, but becomes quite picturesque when filled.) Turn left onto the vehicle track and follow it initially NW-ward to ‘37’ and then northward via ‘38’ to reach a Y-junction at ‘39’. Veer left (initially NW) at ‘39’ to take the left fork. (Or see Option below for an extended walk to visit Victoria Reservoir.) Follow the vehicle track along a broad ridge through jarrah forest to a junction at ‘40’. Veer right to follow a vehicle track generally NW down the hillside. At ‘41’ leave the vehicle track to follow a minor foot-track on the right through heathland and across a small outcrop before rejoining the vehicle track at ‘42’. And at ‘43’, where the vehicle track veers sharply to the left, follow a foot-track that passes through heathland and rejoins the vehicle track at ‘44’. Then at ‘45’, again leave the vehicle track by turning left (westward) onto a foot-track. Follow this minor foot-track around the hillside (via ‘46’, ‘47’, ‘48’, ‘49’) for about 700m, gaining good views across the valley and down to Bickley Reservoir. After about 700m the foot-track meets at ‘50’ the vehicle track that was walked at the start of the walk. Turn right here to retrace your earlier steps to get back to the Start point at the carpark via ‘51’ and ‘52’.
Option to extend walk (after ‘39’) to visit Victoria Reservoir: A foot-track also leaves on the right at the Y-junction of vehicle tracks at ‘39’. The foot-track leads to Munday Brook valley and the Victoria Reservoir which is a good option for those keen for a longer walk back to Bickley Reservoir than the one described here. See WalkGPS Victoria Reservoir-Bickley Brook Walk for details of that track.