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Person wading in clear turquoise water inside a dark cave.

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The Mulu Pinnacles & Camp 5

Access this remote section of the park via boat and a jungle trek. These jagged limestone peaks require serious physical effort to reach.

Photo: tour listing on Viator

The limestone Mulu Pinnacles tower up to 45 meters high on the slopes of Gunung Api. Reaching them involves an overnight stay at Camp 5 and a steep, grueling climb.

You must book an official park guide for this trek. The trail demands high fitness and careful packing, as weather and water levels heavily impact your trip.

People walking on a path inside a cave illuminated with orange light.
Photo: tour listing on Viator
01

Camp 5

Overnight stay requiredNo food provided

This rustic jungle basecamp sits by the Melinau River at the foot of Gunung Api. You must stay here overnight before attempting the Pinnacles climb. The camp does not provide food. Bring all your own provisions or arrange catering with your tour operator.

Looking up at a massive cave opening with plants growing inside.
Photo: tour listing on Viator
02

The Pinnacles Summit Trek

8-10 hours round trip2.4 km (1,200 m ascent)

This is a grueling 2.4 km climb that ascends 1,200 meters up the mountain to view the razor-sharp limestone spikes. The route is highly technical near the top. You need climbing gloves for the 15 near-vertical aluminum ladders. The trek requires a high level of fitness.

Interior of a large cave with stalactites and rocky formations.
Photo: tour listing on Viator
03

The Headhunter's Trail

1-2 days11 km trail

This historic 11 km jungle trek starts from Camp 5 and follows the old routes of Kayan headhunters. It eventually leads out of the park towards Limbang. The trail offers a challenging alternative exit route for experienced hikers.

Trek to the Pinnacles

Wide view of jagged grey limestone pinnacles protruding from green hills.
4 Days 3 Nights Mulu 4 Showcaves with Pinnacles96 h 4.0 (1)from $455
4-day caves & Pinnaclesfrom $455 on Viator
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