Mangrove forest near the mouth of the Tutong River is highlighted by late-afternoon sunlight while an approaching rainstorm looms behind.
Gunung Mulu's limestone landscapes are extremely rugged and feature some of the world's finest examples of limestone weathering with giant caves, deep gorges, overhanging cliffs, deep vertical shafts and tall pinnacles.
Early morning light over rainforest canopy, Ulu Temburong National Park
Rainforest canopy, Ulu Temburong National Park.
First light over rainforest canopy, Ulu Temburong National Park
Rhinoceros Hornbills soar over the canopy. Ulu Temburong National Park.
Rainforest canopy, Ulu Temburong National Park.
Canopy walkway, viewed from about 40 m (130 ft) above ground. Ulu Temburong National Park.
Emerging crown of a Koompassia excelsa tree (left). One specimen of this tree species was measured at 85 m (279 ft) tall, one of the tallest trees known in Borneo.