This area covers the private residential estates and well-known schools district of Bukit Timah and Dunearn Road. The MacRitchie Reservoir is shown at the upper-right quadrant of the map, from it extends to the left (west) as part of the bigger Central Catchment Area.
The Pan Island Expressway (PIE) cuts across the southeast corner of the map to the northeast where it connects to the Bukit Timah Expressway (BKE).
The main roads here are :