Koh Hin Ngam

Open Days: Open according to Tarutao National Park announcements. Koh Hin Ngam itself remains listed as accessible under the 2026 notice, while the southern snorkeling area of Koh Hin Ngam is closed from 1 June–30 September 2026.

Opening Hours: Subject to boat schedules, weather, tide conditions, and Tarutao National Park announcements

 

Koh Hin Ngam in Satun is a small island in Tarutao National Park, located southwest of Koh Adang in the Adang-Rawi island group, Ko Sarai Subdistrict, Mueang Satun District, Satun Province. Unlike the white-sand beaches commonly associated with the Andaman Sea, Koh Hin Ngam is famous for its smooth black stones covering the shoreline. These naturally polished stones come in different shapes, sizes, and patterns, and when touched by seawater or sunlight, they become glossy and strikingly beautiful. This unusual black-stone beach makes Koh Hin Ngam one of the most distinctive stops on a Koh Lipe and Adang-Rawi island route.

 

The beauty of Koh Hin Ngam is simple but powerful. Nature did not shape this island as a soft sandy beach for long hours of sunbathing. Instead, it created a shore of dark stones shaped by waves, water, friction, and time. From a distance, the beach may look like a dark band along the island. Up close, visitors see countless individual stones, each with its own surface, line, color tone, and polished shape.

 

The stones on Koh Hin Ngam are mainly black hornfels stones. Some are round, some are oval, and some have lighter lines running through the surface. When dry, they may appear matte and dark. When wet, they turn glossy black and reflect light beautifully. The contrast between the black stones, clear seawater, green island forest, and longtail boats offshore creates a visual identity that visitors remember immediately.

 

Koh Hin Ngam is not known for a sand beach like Koh Rawi or Koh Lipe. Its strength is its geological character and coastal uniqueness. The black-stone shore has been shaped by waves and seawater over a long period. When visitors step onto the island, they can hear the sound of stones shifting under small waves, see water moving through gaps between the rocks, and experience the quiet atmosphere of a small natural island surrounded by the Andaman Sea.

 

The location of Koh Hin Ngam makes it a common stop on snorkeling and island-hopping trips from Koh Lipe. It is usually included in inner-zone boat routes together with sites such as Jabang Channel, Koh Yang, Koh Adang, and nearby reef areas. The most practical way to visit is by local longtail boat from Koh Lipe, taking about 20 minutes depending on departure point, sea conditions, and the route chosen by the boat operator.

 

One of the most famous stories on Koh Hin Ngam is the warning sign about the curse of Chao Pho Tarutao. The message is widely known as a warning against taking stones from the island. Whether visitors treat the curse as a belief, folklore, or a symbolic conservation message, the core rule is clear: no stone should be removed from the island. Every stone belongs to the natural landscape of Koh Hin Ngam.

 

Tarutao National Park has received returned stones from travelers who took them away and later sent them back. This has made park officers continue to remind visitors not to remove anything from the island, including stones, shells, coral fragments, or other natural objects. One stone may seem small, but repeated removal by many visitors can gradually damage the very landscape that makes the island special.

 

Another important rule is not to stack stones. In the past, some visitors believed that stacking stones and making a wish would bring success or good fortune. However, moving and stacking stones can cause them to fall, chip, crack, or shift unnaturally. Visitors should enjoy the stones as they are, photograph them without rearranging them, and leave the beach in its natural condition.

 

Walking on Koh Hin Ngam requires care because the beach is made of stones, not flat sand. Some stones become slippery when wet, and waves can reach parts of the walking area. Visitors should wear footwear with good grip, move slowly, avoid jumping between stones, and stay away from risky edges when the sea is rough. Safety should come before photography angles.

 

The sea around Koh Hin Ngam can be very clear during the travel season, and coral, sea anemones, and clownfish can be found around some areas behind the island. However, snorkeling depends on national park announcements, weather, currents, and daily safety conditions. Under the 2026 closure notice, the southern snorkeling area of Koh Hin Ngam is closed from 1 June to 30 September 2026, while Koh Hin Ngam itself remains listed among the areas that can still be visited according to the park announcement.

 

The best time to visit Koh Hin Ngam is generally during the Andaman Sea travel season from November to May. November to April is usually the most favorable period because the sea is calmer, water visibility is better, and boat services are more available. From mid-year to the late third quarter, visitors must check Tarutao National Park announcements and weather conditions carefully because some areas in the Adang-Rawi group close annually for safety and ecological recovery.

 

A visit to Koh Hin Ngam should be planned around tide, boat routes, and sea conditions. From Koh Lipe, travelers can join a snorkeling trip or hire a longtail boat. Routes often combine several stops in one day, such as Jabang Channel, Koh Yang, Koh Hin Ngam, and nearby reef areas. Before departure, visitors should confirm passenger capacity, route, stop sequence, return time, life jackets, snorkeling gear, and cancellation conditions in case of rough seas.

 

Getting There to Koh Hin Ngam normally begins with reaching Koh Lipe first. The main route is to travel to Pak Bara Pier in La-ngu District, Satun Province, then take a boat to Koh Lipe. From Koh Lipe, visitors use a local longtail boat to Koh Hin Ngam, taking about 20 minutes. This route is suitable for travelers staying on Koh Lipe who want to include Koh Hin Ngam in an Adang-Rawi snorkeling or island-hopping trip.

 

Pak Bara Pier is the main mainland pier for travel to Koh Lipe and Tarutao National Park destinations. The pier schedule lists main departures such as 11:30 a.m. from Pak Bara to Koh Tarutao and Koh Lipe, and 1:30 p.m. from Pak Bara to Koh Lipe. Return services from Koh Lipe to Pak Bara include key departures such as 9:30 a.m. and 11:30 a.m. Travelers should always confirm the current schedule with the pier or boat operator before traveling because boat times can change according to season, weather, and passenger demand.

 

For travelers coming from Bangkok or other provinces, the most convenient route is to fly to Hat Yai Airport, then continue by van, taxi, or rental car to Pak Bara Pier, and take a boat to Koh Lipe. Those driving can use the southern road network into Satun and continue to Pak Bara Pier. Train travelers can get off at Hat Yai Railway Station and continue by road to Satun and Pak Bara. Timing the road transfer with the boat schedule is important because missing the last boat may require an overnight stay on the mainland.

 

Koh Hin Ngam is within Tarutao National Park, so visitors should prepare for the national park entrance fee. Published rates are 40 baht for Thai adults and 20 baht for Thai children, while foreign adults pay 200 baht and foreign children pay 100 baht. Other costs, such as boats to Koh Lipe, longtail boats to Koh Hin Ngam, snorkeling equipment, meals, and accommodation, depend on operator, route, season, and group size, so prices should be checked before payment.

 

Koh Hin Ngam is not a large island for long stays. The ideal visit is to land briefly, walk along the black-stone beach, photograph the stones, read the warning signs, learn why visitors must not remove or stack stones, and then continue to other snorkeling or island stops. Visitors should spend time carefully, avoid disturbing the natural shore, keep all trash with them, and leave the stones exactly where they are.

 

Recommended activities include walking on the black-stone beach, photographing wet stones as they shine in the sun, observing the Chao Pho Tarutao warning sign, learning about black hornfels stones, listening to waves moving through the pebble shore, viewing the surrounding sea, and snorkeling only in areas open and safe under park guidance. If traveling on a boat trip, Koh Hin Ngam works best as a land-based nature stop combined with other approved snorkeling areas.

 

Koh Hin Ngam is suitable for travelers who enjoy unique natural landscapes, geology, photography, and iconic stops around Koh Lipe and Adang-Rawi. It is also suitable for families who want children to see that Thai marine nature is not only white sand and blue water, but also black stones, reefs, island forest, and conservation rules. It is not suitable for travelers expecting resort facilities, restaurants, or a long beach stay on the island itself.

 

Older visitors, young children, and anyone with balance issues should be careful when landing and walking on the stones. If waves are strong or the boat crew says landing is unsafe, visitors should not insist on going ashore. Marine travel in a national park requires safety-first decision-making. On some days, changing the route or skipping a stop is the correct choice.

 

For photography, Koh Hin Ngam is most striking when the light is soft and the stones are wet. Close-up images of black stones with clear seawater passing between them are especially distinctive. Good frames often include longtail boats, blue sea, and green island forest in the background. Visitors should not move stones, arrange stones, or stack stones for photos, because the natural appearance of the beach is the real subject.

 

Environmental responsibility is essential because Koh Hin Ngam is small and receives many visitors during the travel season. Small actions such as stepping on coral, dropping food scraps into the sea, leaving plastic waste behind, taking stones, or stacking stones all create cumulative damage. Responsible visitors take only photographs and memories, and take their trash back to proper disposal points.

 

Compared with other Koh Lipe route highlights, Koh Hin Ngam has a specific role. Koh Lipe is the travel base with accommodation and services. Koh Adang offers mountains, forest, and viewpoints. Koh Rawi has white sand and clear water. Jabang Channel is known for colorful soft coral. Koh Yang is known for hard coral. Koh Hin Ngam stands apart as the black-stone island. Including it in an Adang-Rawi route gives the trip a fuller range of beaches, forest, reefs, and geological character.

 

Travelers who want to stay near Koh Hin Ngam should stay on Koh Lipe, because it has accommodations, restaurants, tour operators, longtail boat services, and dive shops. From Koh Lipe, Koh Hin Ngam is easy to include in a day boat trip. Pattaya Beach is convenient for transport and Walking Street, Sunrise Beach is good for morning views and Koh Adang scenery, and Sunset Beach is better for a quieter evening atmosphere.

 

Nearby restaurants in practical travel terms are located on Koh Lipe. Koh Hin Ngam is a natural stop, not a restaurant area. Visitors should eat before or after the boat trip on Koh Lipe, or bring drinking water and light snacks in a responsible way. Any packaging or food waste must be kept and taken back. Nothing should be left on the island or thrown into the sea.

 

A practical itinerary is to stay on Koh Lipe for at least 2 nights. On the first day, arrive from Pak Bara and rest. On the second day, join an inner-zone snorkeling trip that includes Koh Hin Ngam, Jabang Channel, Koh Yang, and nearby areas. On the third day, cross to Koh Adang or choose an outer-zone route to Koh Dong and Koh Hin Son if weather allows. With more time, travelers can add beach relaxation and avoid rushing the island route.

 

Koh Hin Ngam is a clear example of a destination whose beauty depends on visitor discipline. If everyone avoids removing stones, stacking stones, damaging coral, littering, and ignoring park rules, this small island will remain one of Satun’s most unusual and memorable natural sites. If visitors treat nature as a souvenir, damage will accumulate quietly and become difficult to reverse.

 

In summary, Koh Hin Ngam is one of the must-visit stops around Koh Lipe and the Adang-Rawi islands. Its beauty does not come from white sand, but from black hornfels stones naturally polished by waves until they become smooth and glossy. The Chao Pho Tarutao curse story reinforces the message that visitors must respect nature and leave every stone on the island. With careful seasonal planning, current park-announcement checks, and responsible behavior, Koh Hin Ngam becomes one of Satun’s most distinctive and memorable Andaman Sea experiences.

 

 

A: Koh Hin Ngam is located southwest of Koh Adang within Tarutao National Park, Ko Sarai Subdistrict, Mueang Satun District, Satun Province. It is one of the key island stops on boat routes from Koh Lipe.

 

A: Koh Hin Ngam is famous for its black hornfels stone beach. The stones are smooth, naturally rounded, beautifully patterned, and become glossy when wet.

 

A: The stones are part of the island’s natural landscape. Removing them damages the beach, and the island is also known for the Chao Pho Tarutao curse story that warns visitors not to take stones away.

 

A: Some areas around the island may be used for snorkeling when open and safe, but access depends on park announcements, weather, currents, and daily safety conditions. In 2026, the southern snorkeling area of Koh Hin Ngam is closed from 1 June to 30 September 2026.

 

A: Travelers usually go to Koh Lipe first by boat from Pak Bara Pier, then hire a local longtail boat or join an island-hopping trip from Koh Lipe to Koh Hin Ngam. The boat ride takes about 20 minutes.

 

A: Koh Hin Ngam is inside Tarutao National Park. Published entrance fees are 40 baht for Thai adults, 20 baht for Thai children, 200 baht for foreign adults, and 100 baht for foreign children. Boat and activity costs should be confirmed with operators.

 

A: November to May is the main travel season, especially November to April when the sea is generally calmer, water visibility is better, and boat services are most available. During the monsoon period, visitors must check park announcements and weather before traveling.

 

A: Visitors should walk carefully because the stones can be slippery, never remove or stack stones, never litter, avoid touching or stepping on coral, and follow national park and boat-crew instructions.