The way points of this running / walking route:
Lower Pierce Reservoir - Old Upper Thomson Road - Enter the Upper Pierce Reservoir gate - immediately after crossed the canal, gets to the open path on the right - keep left - continue walking for few hundred metres until the waterpipe surfaced - walk on the pipeline - Cut through Nee Soon Live Firing Range 1 and 2 (U turn if firing is on) - Upper Seletar Reservoir - Sembawang Road.