Hin Ta and Hin Yai Rocks

Hin Ta and Hin Yai Rocks, also known as Grandfather and Grandmother Rocks, are famous natural rock formations located on the southern coastline of Ko Samui, Thailand. These rocks are one of the island’s most talked-about attractions due to their humorous and surprising shapes. Formed naturally over centuries, Hin Ta and Hin Yai resemble male and female genitalia, which often draws giggles, amazement, and curiosity from visitors. While amusing, the rocks also carry cultural and legendary significance for the local people, making them not just a photo stop, but also a part of Thai folklore.

How to Reach Hin Ta and Hin Yai Rocks Ko Samui

Getting to Hin Ta and Hin Yai is fairly simple, especially if you're already on Ko Samui. The rocks are located near the southern end of Lamai Beach, around 10 km south of the more bustling Chaweng Beach. You can reach the site in the following ways:

• By Scooter or Motorbike: Renting a scooter is one of the most convenient and economical options for getting around the island. The roads are generally in good condition, and the site is clearly marked on GPS apps.
• By Car: Car rentals and taxis are widely available. You can drive yourself or hire a taxi for a round trip.
• Songthaew: These shared red pick-up trucks operate as local taxis and can be flagged down along main roads. Make sure to confirm the destination and fare before boarding.
• Tour Packages: Many day tours of Ko Samui include a visit to Hin Ta and Hin Yai Rocks as part of their itinerary.

Weather at Hin Ta and Hin Yai Rocks

Ko Samui enjoys a tropical climate throughout the year. The best time to visit is during the dry season from December to April when the skies are clear, humidity is lower, and rainfall is rare. Temperatures typically range between 25°C and 32°C. The wet season, from May to November, brings occasional heavy rains and cloudy skies, which can affect visibility and comfort. Early mornings and late afternoons are ideal times to visit for better lighting and cooler weather.

Timings and Entry Details

The Hin Ta and Hin Yai Rocks are open all day as they are part of the natural coastline. There is no official entrance gate, so you can technically visit at any time. However, for safety and better visibility, visiting between 6:00 AM and 6:30 PM is recommended. There is no entrance fee to see the rocks, but you might need to pay a small parking fee (usually around 10-20 Thai Baht) if you're arriving by motorbike or car. The surrounding shops and stalls are generally open from 9:00 AM to 5:00 PM.

Why Famous for Hin Ta and Hin Yai Rocks?

The rocks are internationally famous for their resemblance to male and female reproductive organs, which naturally formed through wind and water erosion over many years. They are amusing and often leave visitors surprised by how anatomically accurate they appear.

Apart from their visual appearance, the rocks are tied to a local legend. According to the story, an elderly couple—Ta Kreng and Yai Riem—wanted to arrange a marriage for their son. As they sailed to a neighboring island, their boat was caught in a storm and they drowned at sea. The rocks appeared at the site as a symbol of their sincere intentions and eternal love.

History and Natural Architecture

The Hin Ta and Hin Yai Rocks are believed to have formed naturally from granite rock that has been slowly shaped by the forces of nature over hundreds or even thousands of years. Their peculiar appearance is a perfect example of natural erosion combined with geological time. The area around the rocks also includes small rock pools and cliffs that make for stunning photographs and peaceful views.

While there's no man-made architecture involved, the natural "design" of these rocks has fascinated geologists and tourists alike. Locals have embraced the formations as part of their folklore and tourism economy.

Things to Do at Hin Ta and Hin Yai Rocks

Though a visit to Hin Ta and Hin Yai can be brief, the area offers several enjoyable activities:

• Take Photos: The unique shape of the rocks makes for amusing and memorable photos.
• Shop for Souvenirs: There are several stalls nearby selling local crafts, trinkets, and Thai sweets like 'Kalamae', a local coconut candy.
• Relax and Enjoy the View: The coastline here is beautiful and offers peaceful views of the Gulf of Thailand.
• Explore the Nearby Beaches: Lamai Beach is just a short walk away and is great for swimming and sunbathing.
• Visit Local Temples: Temples like Wat Lamai are nearby and worth exploring for a glimpse into Thai culture and spirituality.

Interesting Facts about Hin Ta and Hin Yai

• They are among the most photographed natural landmarks in Ko Samui.
• Despite their shape, they were formed entirely by natural erosion.
• The rocks have become symbols of fertility and love in local folklore.
• You can buy locally made "souvenir" stones shaped like the rocks.
• They are part of almost every guided island tour in Ko Samui.

Tips for Visiting Hin Ta and Hin Yai Rocks

• Visit early in the morning or late in the afternoon to avoid crowds and the heat.
• Wear comfortable shoes, as the path to the rocks involves a short walk on uneven terrain.
• Bring water and sun protection, especially during the hotter months.
• Be respectful—while the rocks are humorous to many, they are tied to local legends and beliefs.
• Watch your step around the rocks, especially near the edges close to the water.