Ranong Canyon

Ranong Canyon is a flooded former tin-mining quarry in Hat Som Paen, Mueang Ranong District, Ranong Province, southern Thailand, about 10 kilometers from Ranong town. The site features an emerald-green reservoir surrounded by steep rocky cliffs and forested hills. Created after mining ceased, the pit filled with rainwater, forming a scenic lake. It is notable for its dramatic quarry landscape, tranquil atmosphere, and popularity as a photography and sightseeing stop.

Visitors can expect a large emerald-green quarry lake enclosed by steep, rocky cliffs and forested hills. A viewpoint area at the edge offers panoramic views of the water and surrounding mountains. The setting is quiet and natural with minimal development. Visitors can walk along the rim, take photographs, and enjoy the tranquil landscape. There are no boating or swimming facilities; the experience is focused on sightseeing and nature appreciation.

Ranong Canyon is a former tin-mining quarry. After mining operations ceased, the excavation pit was abandoned and gradually filled with rainwater, creating the present reservoir. It reflects Ranong's history as a major tin-mining area in southern Thailand.