Rama 9 Reservoir

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Open Days: Daily

Opening Hours: Please Contact the Project Before Visiting

 

Rama IX Water Reservoir Project in Pathum Thani is a royal initiative project with major importance for flood mitigation and water management in the lower Rangsit canal system. In simple terms, it is much more than a large reservoir. It is a strategic water retention area designed to slow down excess water during flood periods, store water for later use, and strengthen long-term water security for surrounding communities and agricultural land.

 

Flooding is one of the most difficult natural hazards to avoid in central Thailand. Each major flood can damage homes, roads, utilities, farmland, and the wider local economy, and the cost of recovery after every event is often enormous. This is why royal development projects related to water management have played such an important role in Thailand. They focus not only on emergency response, but on long-term prevention, storage, and controlled distribution of water in ways that reduce future damage.

 

The Rama IX Water Reservoir Project reflects that approach clearly. Located between Rangsit Drainage Canal 5 and Rangsit Drainage Canal 6 in Pathum Thani, the project covers areas linked to Khlong Luang and Thanyaburi districts. The total project area is 2,827 rai, 2 ngan, and 10 square wah. Within that area are two large reservoirs designed to receive, hold, and manage water as part of the broader flood-control system in the province.

 

The first reservoir covers about 790 rai and has a storage capacity of around 6 million cubic meters. It is intended to receive water from Rangsit Drainage Canal 6. The second reservoir covers about 1,790 rai and can hold around 11.1 million cubic meters, receiving water from Rangsit Drainage Canal 5. Together, they form a substantial retention system that can ease pressure on downstream areas during periods of heavy inflow.

 

The importance of the project lies in its dual function. During the rainy season or periods of excess runoff, it works as a large-scale retention basin in line with the royal “monkey cheek” concept, temporarily holding water to reduce downstream flooding. During drier periods, the stored water becomes a useful source that can support agriculture and water management in surrounding areas. This flexibility is what makes the project especially valuable over the long term.

 

Over the years, the project has continued to develop as an active water-management site rather than a one-time construction effort. Official and semi-official sources linked to the Chaipattana Foundation, the Royal Development Projects Board, and the Royal Irrigation Department continue to describe the project as an operational site used for water planning, pumping-system improvements, equipment support, and related public-benefit activities. Local authorities have also continued to reference activities in the expanded Rama IX reservoir area in recent years, showing that the site remains in practical use.

 

Another interesting aspect of the project is the surrounding landscape. The perimeter of the reservoirs has been developed with tree planting and green open space in several sections, which gives the area a more pleasant atmosphere than many people expect from a water-management facility. Instead of seeing only engineering infrastructure, visitors often encounter a broad and open waterside setting that feels calmer, greener, and more spacious than a typical urban destination.

 

This makes the project particularly interesting for readers who want to understand Pathum Thani beyond its better-known urban and commercial zones. The site represents a different side of the province: one shaped by canals, agriculture, water engineering, and royal development thinking. It is especially meaningful for those interested in environmental planning, public infrastructure, and how large-scale water projects can improve daily life in flood-prone regions.

 

As a travel and learning destination, the Rama IX Water Reservoir Project is better suited to visitors who appreciate open landscapes, public-benefit projects, and royal initiative sites rather than entertainment-based tourism. It is not a highly commercialized attraction filled with shops or formal activity zones. Its appeal comes from its scale, its purpose, and the broader story it tells about how Pathum Thani manages water, land, and community resilience.

 

Visitors should also keep in mind that this is fundamentally a project area connected with water management and public administration. It should be approached respectfully and practically. Anyone planning to enter deeper into the project area, gather field information, or arrange an educational visit should contact the project directly in advance. That is the most appropriate way to ensure access remains orderly and suitable to the nature of the site.

 

Getting there is easiest by private car. The project can be approached from the Rangsit–Nakhon Nayok corridor as well as from roads serving Khlong Luang, Khlong Sam, and Khlong Ha. Because the reservoir system extends across a broad area linked with local roads, private transport is the most convenient option for a smooth visit. Public transport users usually need to travel into the Khlong Luang or Thanyaburi area first and then continue by local hired transport.

 

Getting There The project can also be combined with nearby learning and cultural destinations such as Rama IX Museum, the National Science Museum, Wat Phra Dhammakaya, and the Golden Jubilee Museum of Agriculture. That makes it suitable for a broader Pathum Thani route focused on knowledge, landscapes, and royal development themes rather than conventional city sightseeing.

 

Overall, the Rama IX Water Reservoir Project stands out as one of Pathum Thani’s important royal initiative sites. Its value lies not only in the size of its reservoirs, but in its long-term contribution to flood reduction, agricultural support, environmental improvement, and public understanding of water management. For anyone looking for a place in Pathum Thani that combines engineering significance, royal development history, and a wide open landscape, this project is one of the province’s most meaningful places to know.

 

 

A: It lies between Rangsit Drainage Canal 5 and Rangsit Drainage Canal 6, covering areas linked to Khlong Luang and Thanyaburi in Pathum Thani.

 

A: It is a major royal water-retention project designed to reduce flooding and support stored water use during dry periods.

 

A: The project has 2 main reservoirs, with the first covering about 790 rai and the second about 1,790 rai.

 

A: Yes. It continues to function as an operational water-management project, and related activities in the area are still being referenced by involved agencies.

 

A: The surrounding area includes open landscape sections, but visitors should contact the project before entering to confirm access conditions.

 

A: Private car is the most convenient option, using Rangsit–Nakhon Nayok Road or connecting local roads through Khlong Luang, Khlong Sam, and Khlong Ha.