Kohoin River

Natural Characteristics and Landscape

Kohoin River has characteristics that are very contrasting with rivers in Western Indonesia. While most rivers have murky water due to mud sediment, Kohoin River actually has very clear water with gradations of turquoise blue and crystal green. This clarity originates from natural springs that emerge from the cracks of karst rocks surrounding the Teminabuan area.

The topography around the river is dominated by limestone (karst) rocks, which create small rapids and natural pools along its course. The riverbed consists of stretches of white gravel and large rocks clearly visible from the surface, giving the illusion that the river is shallow, even though at some points its depth can reach several meters. The vegetation on the riverbanks is very dense, dominated by large trees with hanging roots that dangle to the water's surface, creating a cooling green canopy.

Unique Ecosystem and Biodiversity

As part of Papua's natural landscape, Kohoin River is home to rich biodiversity. Beneath its surface, visitors can see various types of native Papuan freshwater fish swimming freely. One of its main attractions is the presence of rainbow fish (Melanotaenia), an endemic species that has iridescent colors when exposed to sunlight filtering through the tree canopy.

The forests surrounding Kohoin River are also habitat for various tropical birds. If lucky, visitors can hear the chirping of Birds of Paradise or see White Cockatoos flying above the treetops. The presence of thick moss on the rocks along the riverbanks indicates that the air quality and humidity levels in this area are still very pure and have not been exposed to industrial pollution.

Outdoor Activities and Tourist Experience

Visiting Kohoin River offers an experience that heavily relies on physical interaction with nature. Here are some of the main activities that can be done:

1. Swimming and Body Rafting: Dipping into the cool and refreshing waters of Kohoin River is a must-do activity. Due to its relatively calm currents in some sections, visitors can enjoy light body rafting, following the water flow while enjoying the forest scenery on the left and right sides.

2. Nature Photography: The clarity of the water reflecting the shadows of the trees creates extraordinary photo compositions. The Tyndall phenomenon—sunlight penetrating morning mist and leaf gaps—is often a moment sought after by photographers.

3. River Trekking: Visitors can walk along the rocky riverbanks to discover hidden spring spots. The terrain is quite challenging but offers a unique satisfaction when finding a truly secluded spot.

4. Natural Relaxation: Many locals and tourists come just to sit on large rocks while listening to the gurgling water and forest sounds, a potent natural therapy for relieving fatigue.

Best Time to Visit and Seasonal Variations

To get the best experience at Kohoin River, the timing of the visit is crucial. The dry season (between May and September) is the ideal time because the water discharge tends to be stable and its clarity is at its maximum level. During the rainy season, although the water remains relatively clear compared to other rivers, the drastically increased water discharge can make the currents stronger and dangerous for swimming activities.

It is highly recommended to visit this river in the morning, around 08:00 to 10:00 WIT. During these hours, the sun's position creates perfect lighting to see the riverbed and gives the water its brightest blue hue.

Conservation and Environmental Protection

Kohoin River plays a vital role as a source of clean water for the community in Teminabuan District. Therefore, its conservation status is highly prioritized, both administratively by the local government and traditionally by the local community. The people of South Sorong have local wisdom in preserving the river; they are prohibited from dumping waste or using poison/electricity to catch fish in this area.

Environmental protection efforts at Kohoin River are focused on maintaining the river basin (DAS) to remain green. Tree felling around the riverbanks is strictly prohibited to prevent erosion that can muddy the water and damage the habitat of endemic fish. Visitors are strongly urged not to bring chemical products (such as excessive soap or shampoo) when bathing in the river to maintain the balance of the aquatic ecosystem.

Accessibility and Facilities

Kohoin River has an advantage in terms of accessibility compared to other tourist destinations in the interior of Papua. Its location is quite close to the center of Teminabuan city, the capital of South Sorong Regency.

• Transportation: Tourists can start their journey from Sorong City using land transportation (rental car or public transport) with a travel time of approximately 3 to 4 hours via the well-paved Trans-Papua road. Another alternative is to use a pioneer flight from Domine Eduard Osok Airport (Sorong) to Teminabuan Airport.
• Facilities: Around the main area of Kohoin River, several supporting facilities have been provided, such as parking areas, gazebos for relaxation, and a few small stalls owned by local residents selling snacks and young coconuts. Nevertheless, accommodation facilities such as hotels or inns are more widely available in the center of Teminabuan city, which is only about 10-15 minutes away from the river location.

Kohoin River is tangible proof that Papua's natural beauty is not limited to Raja Ampat. Through a blend of crystal-clear water, lush forests, and the warm local culture of South Sorong, Kohoin stands as a destination that offers true tranquility for every soul yearning for a harmonious return to nature. Preserving Kohoin is not just about safeguarding a tourist attraction, but about safeguarding a legacy of life for future generations of Papua.