The aquarium is situated at the site of Thailand's longest earthen dam, which measures 4,860 meters in length.
The facility serves as a repository for freshwater species found in the Pa Sak River, which is a major tributary of the Chao Phraya River.
It specializes in endemic freshwater fish species, providing a contrast to the saltwater marine life typical of coastal aquariums.
The reservoir area surrounding the aquarium was constructed as part of the Royal Initiative Project to mitigate flooding in the Chao Phraya River basin.
The Pasak Chonlasit Aquarium is located at the base of the Pa Sak Jolasid Dam in Lopburi, Thailand, serving as a specialized aquatic center for regional freshwater species. It focuses primarily on the biodiversity found within the Pa Sak River basin and the reservoir itself. The facility maintains indoor tanks that display a range of native fish, including large Mekong giant catfish and various carp species. Visitors can observe the aquatic environment from an educational perspective that highlights the ecological impact of the dam on local wildlife. The aquarium acts as a small-scale research and display center managed under the auspices of the dam authorities. It is situated within the larger dam complex, which functions as the longest earthen dam in Thailand.
The main cylindrical tank area, which allows for unique wide-angle shots of larger freshwater specimens.
Combine your aquarium visit with the tourist train ride provided by the State Railway of Thailand if visiting during the cool season.
Plan to explore the dam crest area immediately after the aquarium to see the scale of the reservoir.
Bring sun protection, as the path from the aquarium to the dam ridge is largely unshaded.
Do not expect a large-scale oceanarium experience, as this is a small, specialized local facility focused on freshwater species.
Occasionally closes for maintenance on specific weekdays; verify the dam authority's social media page before travel.
Maintain a quiet volume near the tanks to avoid startling the fish; modest dress is recommended as it is located on government-managed grounds.
