Tham Khao Bin

Tham Khao Bin is a limestone cave in Hin Kong Subdistrict, Mueang Ratchaburi District, Ratchaburi Province, about 20 km northwest of Ratchaburi town. The cave extends about 300 meters through eight illuminated chambers featuring stalactites, stalagmites, draperies and flowstone formations. Developed with walkways, lighting and stairs, it is one of Ratchaburi's most visited natural attractions and is easily accessible from Bangkok and Ratchaburi city.

Visitors can expect a developed show cave with concrete walkways, stairs, handrails and electric lighting through eight chambers. The interior features dense stalactites, stalagmites, columns and flowstone formations with named formations. The cave is relatively compact, with low ceilings in places and humid conditions. A small shrine with a Buddha image is located inside. The surrounding area is forested limestone hills with a ticket pavilion, parking and souvenir stalls outside the entrance.

Tham Khao Bin is a natural limestone cave formed over long geological periods. Its name means 'flying bird cave', derived from a rock formation resembling a flying bird. The cave was developed for tourism with walkways and lighting and has been a well-known natural attraction of Ratchaburi for decades.

The cave contains a Buddha image and small shrine revered by local visitors. It is regarded locally as a natural sacred site and is often visited in combination with nearby temples and cultural attractions in Ratchaburi Province.