Limbuhang Haliau Cave

Exploring the Magical Charm of Limbuhang Haliau Cave: A Hidden Gem in Hulu Sungai Tengah

South Kalimantan is not only known for its river tourism and floating markets but also holds stunning geological treasures hidden within the lush tropical forests of the Meratus Mountains. One destination that has become a favorite for nature lovers and photographers is Limbuhang Haliau Cave. Located in Haliau Village, Batu Benawa District, Hulu Sungai Tengah (HST) Regency, this destination offers a unique combination of the tranquility of a karst cave and the mesmerizing clarity of its turquoise-blue water.

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Geological Wonders and Unique Natural Features

Limbuhang Haliau Cave is not an ordinary vast and long horizontal cave, but rather a vertical and semi-vertical niche formed from limestone (karst) that has undergone thousands of years of weathering. The most prominent characteristic of this cave is the presence of a natural pool inside, reaching depths of 10 to 15 meters.

The main attraction that has made Limbuhang Cave go viral on social media is the phenomenon of sunlight reflection. Due to the partially open roof structure of the cave, sunlight can enter perpendicularly (ray of light) and touch the surface of the pool. As this light interacts with the water, rich in calcium carbonate minerals, a clear and sparkling turquoise-blue gradation of color emerges. The cave walls, covered in green moss and tree roots dangling from above, create a dramatic and natural color contrast.

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Preserved Ecosystem and Biodiversity

Situated at the foot of the Meratus Mountains, Limbuhang Cave is surrounded by pristine secondary forest. The high humidity inside the cave supports the growth of various types of epiphytic flora and ferns. Around the cave entrance, visitors can still find tropical forest trees that serve as habitats for local birds and forest insects.

The aquatic ecosystem within the cave is also fascinating. Despite the crystal-clear water, aquatic life here has adapted to limited light conditions. The existence of this cave is an important part of the karst hydrological system in Hulu Sungai Tengah, functioning as a vital natural groundwater reserve for the environmental balance of its surroundings.

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Outdoor Activities and Tourist Experience

Limbuhang Haliau Cave offers a different experience compared to other cave destinations in South Kalimantan. Here are some activities that can be enjoyed:

1. Nature Photography: This is the most popular activity. The moment sunlight enters the cave's crevices and illuminates the water is the most sought-after by professional and amateur photographers alike.

2. Enjoying Tranquility: The atmosphere inside the cave is very peaceful, with the sound of dripping water from the ceiling (stalactites) creating a meditative effect.

3. Exploring the Surrounding Area: Besides the main cave, visitors can stroll around the forest area, which has been arranged with walking paths, enjoying the fresh mountain air far from urban pollution.

4. Swimming and Water Play: The management provides float rings and bamboo rafts. Visitors can experience the refreshing coolness of mountain water in the cave pool, surrounded by natural rock walls.

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Best Time to Visit

To maximize the visual experience, choosing the right time to visit is crucial. The best time to visit Limbuhang Cave is during the dry season (between May and September). During this period, the pool water tends to be clearer as it is not affected by sediment carried by rainwater.

Specifically, visit in the late morning to early afternoon, around 10:00 AM to 1:00 PM WITA (Central Indonesian Time). During these hours, the sun's position is directly above the cave opening, allowing sunlight to penetrate directly to the bottom of the pool and create the "heavenly light" phenomenon, as described by visitors.

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Conservation Efforts and Environmental Protection

As part of a sensitive karst area, Limbuhang Haliau Cave is managed with local wisdom principles by the community of Haliau Village through the Tourism Awareness Group (Pokdarwis). There is a high awareness of the importance of maintaining water cleanliness; visitors are strictly prohibited from throwing trash into the pool or contaminating the water with chemicals like soap or excessive sunscreen.

Protection of the cave's rock structures is also a priority. Visitors are urged not to touch or damage active stalactites to preserve the rock formation process. The preservation of the forest surrounding the cave is also strictly maintained as it acts as a water catchment area, keeping the water volume in the cave pool stable throughout the year.

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Accessibility and Supporting Facilities

Access to Limbuhang Haliau Cave is quite easy for tourists. From the capital of South Kalimantan Province, Banjarmasin, the land journey takes about 3 to 4 hours to Barabai, the capital of Hulu Sungai Tengah Regency. From Barabai city center, it is only about 7-10 kilometers, taking approximately 15-20 minutes by two-wheeled or four-wheeled vehicles.

The facilities available at this tourist location are quite adequate for visitor comfort, including:

• Spacious vehicle parking area.
• Paved walking paths for easy access from the entrance to the cave mouth.
• Small stalls selling light food and drinks, owned by local residents.
• Toilets and changing rooms.
• Rental of safety equipment such as life vests and float rings.
• Aesthetic man-made photo spots outside the main cave area.

Limbuhang Haliau Cave is a tangible proof that the natural wealth of Hulu Sungai Tengah has world-class potential. Its magical beauty, combined with the cool air of the Meratus Mountains, makes it a must-visit destination for anyone wanting to escape routine for a moment and connect with the purity of Kalimantan's nature. Preserving its sustainability is a shared responsibility, so that the blue wonder behind these stone walls can continue to be enjoyed by future generations.