The Mangrove Resource Development Station No. 11 is located in Moo 1, Tasaidaeng Sub-district, within the National Forest Reserve of Klong Lamliang-Lamuin. It focuses on the mangrove rehabilitation project and has been planting various mangrove species since March 1983. In 1985, the area was upgraded to a mangrove arboretum, complete with a walking path for visitors spanning approximately 1,500 meters. The mangrove forest here features about 25 species from a global total of 68, including the impressive black mangrove tree over 200 years old, making it one of the richest mangrove habitats in Thailand. Along the concrete walking bridge, informative signs provide insights into mangrove ecology and the diverse species found within this habitat. Beyond the stunning variety of mangrove flora, the area is teeming with wildlife, including land animals like long-tailed macaques, aquatic creatures such as shrimp, shellfish, crabs, and various fish, as well as semi-aquatic animals like otters and monitor lizards. Birdwatchers will delight in spotting different species, including eagles, cormorants, egrets, and kingfishers. In addition to the concrete paths, additional walking bridges have been built to allow tourists to immerse themselves in the mangrove surroundings. These include a 38-meter bridge crossing a creek, a tourist walking trail of about 200 meters, a resting pavilion, and a Canopy Watch Tower for those interested in birdwatching and enjoying views of the mangrove canopy. These structures provide an opportunity for visitors to appreciate the beauty and significance of mangrove forests. There is also an exhibition room at the center's viewpoint, showcasing various plant and animal species for educational purposes. For those wanting to experience the breathtaking seaside views and explore the richness of this mangrove area, boat rides are available to tour the surrounding villages that rely on the mangroves for their livelihoods. Notable villages include White Sand Beach near Klong Tam Hong, where colossal mangrove trees over 200 years old thrive. This area was visited by Her Royal Highness Princess Maha Chakri Sirindhorn in 1996, highlighting its importance. Beyond the giant mangroves, visitors can learn about the local production of shrimp paste made by the villagers of Koh Lhao, utilizing traditional knowledge and resources from the mangroves, becoming known as a One Tambon One Product (OTOP) item, renowned in the province. In addition to this, the surrounding areas provide a glimpse into the lives of coastal communities, known for their unique culture and dialect, which presents visitors with a fascinating way of life. If you're visiting as a group, it's advisable to arrange a guided nature walk in advance, ideally about seven days prior. For those looking to explore the Ranong province, visit the Kong Valley coffee hub, renowned for its clear waters, white sands, and tranquility. The untouched beauty of the remote islands offers fantastic photo opportunities without the tourist crowds. Experience Thai onsen right in Ranong and escape the hustle and bustle while enjoying a relaxing stay on Koh Phayam.