Warragamba Dam is nearly 71 kms west of Sydney Central Station. This dam is the main source of water for major urban populations including Sydney Metro. The construction marvel is truly a place to visit with a well designed Information Centre there. There are picnic sheds in there lawns with BBQ if you want to have a fun day out.

The location of the information centre and dam view point is below. Please use a guidebelow on how it works.
Below are called maps coords
Visitor Centre -33.886296068785455, 150.59756607558273
Dam Views: -33.88313543989716, 150.59653020687648

How to use coords above
On Google Maps, copy and enter the coordinates into the search box (where address is entered) and enter the search. You’ll then see a pin on the map for the spot with its coordinates. Swipe up from the bottom to obtain directions or take another action on the location.

Disclaimer: All the locations are marked as best of my knowledge and experience and should only be used as a guide only (for legal reasons I don’t take any responsibility for their accuracy.), please refer to the local authorities website for updated information.
Although coordinates provided, still many factors such as landslides, flood etc can restrict/block the access or finding the same location. Please refer to Local Authorities websites for updated information.