South West Arm Pool – A Secluded Swim in Royal National Park

South West Arm Pool, a wide, calm creek pool framed by bush and sandstone in Royal National Park

South West Arm Pool – A Hidden Natural Swimming Spot

Just downstream from Winifred Falls, South West Arm Pool is one of the most tranquil swimming holes in Royal National Park. Surrounded by bushland and sandstone, it’s a calm section of the creek where you can swim, picnic and enjoy the peaceful setting. For more Royal National Park swimming spots, explore Wattamolla or Winifred Falls nearby.

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If you’re exploring waterfalls and natural pools across NSW, my guide Swim New South Wales includes detailed directions and maps to dozens of spots just like this.

Why Swim at South West Arm Pool?

  • Calm swimming: The wide pool is great for a refreshing dip on a hot day.
  • Bushland setting: Gum trees and sandstone cliffs give it a secluded feel.
  • Close to Winifred Falls: Many walkers combine both in one trip.
  • Less crowded: Fewer visitors than the falls, so there’s space to relax.

South West Arm Pool and Winifred Falls

South West Arm Pool sits just downstream from Winifred Falls. After the Winifred Falls track, many visitors continue along the creek to reach this peaceful pool.

It’s worth linking both spots for a full day out: start with the waterfall, then cool off in the larger, calmer pool below.

Winifred Falls, just upstream of South West Arm Pool in Royal National Park NSW

How to Get to South West Arm Pool

  • By car: Park along Warumbul Road in Royal National Park, near the Winifred Falls track entrance. Park entry fees apply.
  • The walk: Walk to Winifred Falls (about 1.5 km each way). From the base of the falls, follow the creek downstream a short way to South West Arm Pool.
  • Trail conditions: The track is uneven and can be slippery after rain. Wear sturdy shoes and take care near the water’s edge.

For official park information and alerts, check the NSW National Parks and Wildlife Service.

Creek flowing through South West Arm past bushland in Royal National Park

Tips for Visiting

  • Visit in summer when the pool is clearest and conditions are drier.
  • Pack food and water, as there are no facilities nearby.
  • Wear sturdy shoes for the scramble from Winifred Falls.
  • Take rubbish home and respect the natural environment.
  • Don’t swim after heavy rain, when water levels and currents are stronger, and don’t jump or dive in.

Final Thoughts on South West Arm Pool

If you’re after hidden swimming spots near Sydney, South West Arm Pool is a fantastic choice. With calm water, a secluded setting and Winifred Falls right next door, it’s easy to make a full day of it in Royal National Park.

For more natural swimming holes, waterfalls and ocean pools across NSW, grab a copy of my guide Swim New South Wales.

South West Arm Pool FAQs

Where is South West Arm Pool?

It’s in Royal National Park, a short walk downstream from the base of Winifred Falls, reached via the Winifred Falls track off Warumbul Road.

How long is the walk to South West Arm Pool?

The Winifred Falls track is about 1.5 km each way, then it’s a short walk and scramble downstream along the creek to the pool.

Can you swim at South West Arm Pool?

Yes, it’s a wide, calm pool. There are no lifeguards or facilities, so avoid swimming after heavy rain and take care on slippery rocks.

Do you have to pay to visit?

If you drive in, Royal National Park’s vehicle entry fee applies. NPWS currently charges $12 per vehicle per day.

More Royal National Park Swims Nearby

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