Rani Waterfall is a vital conservation site managed by Thale Ban National Park in Satun Province, nestled within the valley between the Chin Mountains and the Sankalakhiri Range. The waterfall originates from natural springs in the lush Khao Khieo forest, where water filters through a dense rainforest ecosystem before cascading down. Geologically, the area is characterized by a mix of limestone and granite formations, ensuring that the water remains crystal clear and refreshingly cold throughout the year. The surrounding environment is a sanctuary for rare rainforest flora, including giant tree ferns (Mahasadam) and various rattan species, and serves as a habitat for the "Water Dog" or Toad-like frog (Glandirana monjerai), the iconic amphibian of this national park.

Ecologically, Rani Waterfall acts as a crucial headwater source that feeds the Thale Ban wetland system, a massive freshwater swamp forest formed by land subsidence. Visitors can explore nature trails shaded by towering ancient canopies while listening to the calls of forest birds like hornbills and bulbuls. It is common to spot local wildlife foraging near the water during the early morning and late afternoon hours. Beyond being a scenic rest stop for travelers heading to the Wang Prachan border crossing, Rani Waterfall represents one of the most significant biodiversity hotspots in the lower southern region of Thailand, maintaining its pristine natural state through the strict and effective management of the national park authorities.

---

How to Get There

• From Satun city center, take Highway 406 toward Khuan Don District. Turn onto Highway 4184 (Khuan Don-Wang Prachan Rd). Drive toward the Wang Prachan border crossing; the entrance to the waterfall will be on your right-hand side with clear signage.

---

Travel Tips

• The best time to visit is during the rainy season to early winter (May – January) when the waterfall is at its most beautiful

• Be cautious of slippery rocks, especially after rainfall

• Wear proper walking shoes or non-slip footwear for safety

• You can combine your visit with the nearby Wang Prachan Border Market, which is lively on weekends

---

Admission Fees:

• Thai Citizens: Adults 40 THB, Children 20 THB

• Foreigners: Adults 200 THB, Children 100 THB

Opening Hours:

• Currently permanently closed.