Collins Flat Beach is Sydney❜s Hidden Waterfall Beach

  • Mums & Bubs

If you're up for a bit of an adventure with the family (and have visited all your favourite beaches too many times to count!), get off the beaten track and swim nestled amongst nature at Collins Flat Beach.

This charming Sydney beach boasts Harbour views and a waterfall to add to its mystery and allure. 

Collins Flat Beach: Sydney's Secret Waterfall Beach

Collins Flat Beach Manly
Collins Flat Beach is part of the Sydney Harbour National Park.

Collins Flat Beach is in the North Head Precinct of Sydney Harbour National Park between Store Beach and Little Manly Beach and is the only Harbour beach in Sydney with a waterfall.

Like its neighbours to the left and right, Collins Flat Beach is a modest enclave with little to no waves, so don't expect big successes on your surfboard. Popular with families with toddlers, visitors come to Collins Flat Beach for the calm waters, picture-perfect views, a play in the sand and a wander over to the waterfall.

The waters at Collins Flat Beach are relatively shallow, so this is a great spot to bring babies or toddlers keen to have their first dip in the ocean. Unfortunately, there are no picnic facilities or toilets nearby, so come prepared!

Check out 18 Secret Beaches in Sydney

How do I Get to Collins Flat Beach?

Collins Flat Beach
One of the quieter beaches in Manly, Collins Flat Beach is perfect for families.

The easiest way to get to Collins Flat Beach is along Collins Beach Road, passed the old Manly Hospital, and then it's just a short walk past the Australian Institute of Police Management and along the Collins Flat Track to get to paradise.

You can also access the cosy beach inlet from the other side via Collins Flat Track at Skinner's Reserve (right near Manly's Jump Rock).

Collins Flat Beach Waterfall

Collins Flat Beach Waterfall
Go for a little freshwater splash at Sydney's only Harbour beach waterfall.


Top off the perfect summer's day at the beach with a refreshing splash at Collins Flat Waterfall.

Sydney's only Harbour beach waterfall is right on the beach (towards the back) and often has a tranquil stream running from it to the beach. While you wouldn't describe the Collins Flat Waterfall as gushing, it can pump out some enjoyable splashes after decent rainfall, and the kids will love it regardless!

More Water Adventures To Try

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Free Water Play Parks in Sydney
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