Jewel Cave

Jewel Cave is the largest of WA's accessible show caves, located 8 km north of Augusta in the southern end of the [Leeuwin-Naturaliste…

Cave in Western Australia

Cave State

Written by Ben Cole· Updated 3 May 2026

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About Jewel Cave

Jewel Cave is the largest of WA's accessible show caves, located 8 km north of Augusta in the southern end of the [Leeuwin-Naturaliste National Park](/au/national-parks/wa/leeuwin-naturaliste-national-park). It contains the longest straw stalactite recorded in any tourist cave in Australia — 5.69 metres long and still growing. The cave's vast chambers and spectacular speleothems made it popular soon after its commercial opening in 1959, and it remains a highlight of any southwest WA trip.

About

Warnings

Guided Tours OnlyUneven Surfaces Inside CaveCave Temperature 17°C — Bring A LayerClosed Christmas Day

Getting There

Located on Caves Road (Jewel Caves Road, Deepdene), 12 km north of Augusta. Sealed road.

Visitor Tips

•Largest show cave in WA — more impressive chambers than Lake or Mammoth
•The fossil display at the interpretive centre explains karst formation
•Combine with Cape Leeuwin lighthouse (12 km south)
•Book online for busy periods

At a Glance

The Place

Significance: State

Plan Your Visit

Entry: Paid
Duration: 1 hour (guided tour)
Best Time: Year-round (cave temperature ~17°C constant)
Hours: Daily. Tour times vary; booking recommended.

Location

Area: Hamelin Bay
Region: Margaret River
State: Western Australia

Highlights

Australia'S Longest Straw Stalactite In A Tourist Cave (5.69 M)Vast Cathedral-Like ChambersPristine Cave Coral And Shawl FormationsInterpretive Centre With Cave History Exhibits