Princess Maha Chakri Sirindhorn Herbal Garden in Rayong Province is one of Thailand's most important learning centers for Thai herbal medicine and botany. Established by PTT Public Company Limited to commemorate Her Royal Highness Princess Maha Chakri Sirindhorn's 4th cycle birthday, the garden occupies over 60 rai (approximately 24 acres) and houses a vast collection of Thai medicinal plants from across the country. This includes native plants, rare plants, and herbs used in traditional Thai medicine. The garden aims to conserve knowledge of herbal medicine, promote research, and disseminate knowledge to the general public in easily understandable and accessible formats for all ages.

The garden is systematically organized according to the type and properties of the herbs, such as those used for fever reduction, body tonics, daily uses, and traditional Thai medicine. Visitors can learn from explanatory signs detailing each plant's common and scientific names, medicinal properties, and traditional Thai uses. The garden is also landscaped with lush trees, ponds, and natural pathways, creating an ideal atmosphere for relaxation and learning about nature.

One of the garden's key highlights is the herbal exhibition building, showcasing the history of Thai traditional medicine, the use of herbs in Thai life, and the process of producing medicines from medicinal plants. Inside, multimedia and interactive exhibitions are used to enhance visitors' understanding. The building also displays samples of dried herbs, essential oils, and herbal products used in the health and beauty industries, allowing visitors to comprehensively learn about the economic and cultural significance of Thai herbs.

The grounds also feature a modern Thai-style house and health activity zones reflecting traditional Thai lifestyles. Visitors can try traditional Thai massage, a popular activity, and participate in workshops on herbs, making herbal compresses, or other traditional Thai health care practices. This place is not just a natural tourist attraction, but also a space for preserving knowledge and promoting a holistic health concept that connects people closely with nature.

With its tranquil, lush atmosphere and rich botanical knowledge, the Princess Maha Chakri Sirindhorn Herbal Garden is suitable for all types of visitors, including families, students, those interested in herbs, and those seeking relaxation in nature. Many visitors enjoy strolling through the garden, taking photographs, and studying rare plant species throughout the year, especially during the rainy season when the various trees are particularly lush and beautiful. This makes the place another important educational tourist destination in Rayong province and the eastern region of Thailand.

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How to Get There

• From Rayong City center, take Route 36 (Rayong-Chonburi) and turn onto Highway 3191 towards Nikhom Phatthana District. The garden is located prominently along the main road.

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Travel Tips

• Allow at least 2–3 hours to fully explore the garden.

• Visit in the morning or late afternoon for cooler weather.

• Wear comfortable shoes suitable for long walks.

• Bring a hat, umbrella, or sunglasses during midday visits.

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Admission Fees:

• Free admission

Opening Hours:

• Tuesday – Sunday, 09:00 – 16:30 (Closed on Mondays)