A great outdoor adventure hidden right under our noses.

We started our trek at the bottom left hand corner of the map (see above), at Whitbread Place off North Rocks Road.

The first section of the track is quite rugged and hilly at times, and follows Darling Mills Creek all the way to the giant wall between Northmead and North Rocks.

From the wall, the track heads north and passes under the M2 Motorway and Renown Road, before cutting into thicker bushland.

The Bidjigal Reserve walking tracks are worth the time checking out.

There are a number of entry points, from any of the surrounding suburbs:- Castle Hill, Baulkham Hills, Northmead, West Pennant Hills and North Parramatta.

We found that there was no access to, nor exit from the tracks at North Rocks (around the shopping centre) where the M2 Motorway passes through. Most of the reserve is fenced off there, as we discovered the hard way.