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Ewens Ponds Conservation Park

Natural Landmark in South Australia

Ben ColeWritten by Ben Cole· Updated Mar 2026

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About Ewens Ponds Conservation Park

Three crystal-clear spring-fed ponds connected by a short stream and flowing into the Southern Ocean, Ewens Ponds is one of Australia's best snorkelling and diving sites with visibility exceeding 10m in the main ponds. The ponds support rare aquatic plants and the snorkelling drift — carried by the strong artesian flow between the three ponds — is a uniquely exhilarating experience. The constant water temperature is around 17–18°C.

About

Three crystal-clear spring-fed ponds connected by a short stream and flowing into the Southern Ocean, Ewens Ponds is one of Australia's best snorkelling and diving sites with visibility exceeding 10m in the main ponds. The ponds support rare aquatic plants and the snorkelling drift — carried by the strong artesian flow between the three ponds — is a uniquely exhilarating experience. The constant water temperature is around 17–18°C.

Warnings

Permit Essential — No Entry Without Advance BookingCurrent Between Ponds Is Strong — Snorkel One Way Only (Return By Path)Wetsuits Recommended Year-Round (Water Is 17–18°C)No Swimming Without Snorkel/Dive Equipment (Conservation Area)

Getting There

Map of Ewens Ponds Conservation Park

Located 12km east of Mount Gambier, off the Port MacDonnell Road. Very close to Piccaninnie Ponds — both can be done in the same day.

Visitor Tips

  • Book the drift snorkel permit — it is an unmissable experience. Bring a 3mm wetsuit minimum. Ewens Ponds is more accessible than Piccaninnie for beginners.

Quick Facts

At a Glance

The Place

Significance
State

Plan Your Visit

Entry
Paid
Duration
2–3 hours
Best Time
October–April (warmer air temperatures); water is constant year-round

Location

Region
Limestone Coast
State
South Australia

Highlights

Drift Snorkel From Pond 1 To Pond 3 (Carried By Current)Exceptional Water ClarityRare Aquatic VegetationAbundant FishArtesian Spring Ecosystem

Activities

Snorkelling (Drift Snorkel Between Ponds)Scuba DivingSurface Wildlife Viewing

Features

Not available:Wheelchair Accessible
Not available:Dog Friendly
Not available:Pram/Stroller Friendly
Not available:Camping Available
Not available:Tours Available
Not available:Guided Walks
Not available:Swimming Allowed
Not available:Lockers Available

Facilities

Small Car ParkToiletsChange RoomsInformation Panels

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