The race route will take in 7 reservoirs of the Pentland Hills Regional Park.

The normal start near the old Threipmuir Farm which is occupied by the Youth Vision charity situated between Harlaw and Threipmuir Reservoirs. Start at the gap in the wall where the path at the south east side of Harlaw reservoir joins the path at the foot of the Threipmuir dam. Run straight ahead (NW) along the path at the foot of the dam. Cross the overflow cobbled area which can be slippy. If the water is high you will need to use the footbridge. Keep Threipmuir Reservoir on your left. Go through 2 gates and at the end of the reservoir, after the road up to a farm look for a green Right of Way sign which heads off to the left through the trees from the rough road . This is just before the Threipmuir carpark. At the tarmac road turn left and cross the bridge, then at the foot of the hill, at the start of the avenue of trees, turn right onto the gravel path which runs uphill alongside the road

At the top of the hill turn left following signs for Glencorse and passing the entrance to Bavelaw Castle. Go through a gate and go straight ahead (SE) along the grass track towards Green Cleugh. Follow this track taking particular care if icy. There is a river crossing but there are large stepping stones.

Continue on until you reach a gate at The Howe (white farmhouse). Go through the gate and run along the tarmac road with Loganlea Reservoir on your right. Keep on this road until you come to Glencorse Reservoir. Continue down the road with the reservoir on your right until just before the road bends sharp right at the north end of the reservoir.

Look out for a green Right of Way sign showing Harlaw/Bonaly, the sign will be on the left at the gate. Go through the gate and up the steep rocky path to your left (Maiden's Cleuch) watching out for another green Right of Way sign to Bonaly in less than half a mile. Don't get lost here. Head off to the right on a grass track uphill towards Bonaly. You will pass through Phantoms Cleugh which is a rough grassy/muddy track. At the top of the hill , between Capelaw and Harbour hills you must carry straight ahead and along past some trees on your left.

You will come to a gate on your left, go through this gate and follow the rough track downhill past the wooded area above Bonaly Reservoir. Pass Bonaly Reservoir on your left. Go through another gate and head down a very steep rough stony path soaking up the fantastic views. When you reach the next gate continue downhill with trees on either side, to the car park at Bonaly where you turn left just before the gate heading uphill (west)

Follow track towards Torduff Reservoir. Go over the bridge at the head of Torduff Reservoir and turn left onto the tarmac road which skirts round Torduff Reservoir. Continue on this route, up a hill and you will then pass Clubbiedean Reservoir which will be on your left.

Follow this track until you come to the farm cottages at Easter Kinleith Farm look for the green Right of Way sign showing Harlaw, then turn sharp left onto the tarmac road. You will now pass Mid Kinleith Farm and will then come to T junction with a road (The Kirkgate) which comes up from Currie. At the junction turn sharp left as and head up the Range Road which at first is smooth then turns into a rougher path.

At the top of the rocky path go through the gate onto the smooth path. Head upwards until you come to a junction, then turn right down towards Harlaw. Go down this path passing through a gate and at the T junction head downhill towards the Harlaw car park. Just before the car park gate turn left and follow this road, through a gate and past the Visitor Centre. (There is a defibrillator on the wall if you need a boost) Immediately after the visitor centre turn right. Keep on the path and go over the bridge keeping Harlaw Reservoir on your left. You will then come to a very narrow bridge. Cross over this bridge to the gap in the dyke. Turn left and you will now see the finish i.e. the point you started at in front of you.

It sounds complicated but it's not really!

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