1. Naruebodindrachinta Reservoir

Naruebodindrachinta Reservoir,
the border areas of Nadee District, to the north of Prachin Buri Province and Mueang Sa Kaeo District are sources of water in Pang Sida National Park.

King Bhumibol realized the importance of this fact and had initiated the Royal Water Management Project in this area since 1978. However, the project had been temporarily put on hold due to some financial challenges at the time. As a result of the delay, natural environment.

In 2009, the Huai Samong Royal Project was established followed by the construction of reservoir at Ban Kaeng Yao, Kaeng Dinso Subdistrict in NaDee District to suppress water from Pang Sida National Park. On 16 May 2016, the Naruebodindrachinta Reservoir has been introduced to public. Its name means the reservoir that built from the king's initiative.

On 3 December 2017, His Majesty King Maha Vajiralongkorn Bodindradebayavarangkun witnessed the opening ceremony of Naruebodindrachinta Reservoir, the day that the citizen's hardship is promised to be alleviated.

Naruebodindrachinta Reservoir is the last mega project in the reign of King Rama IX, however, there are still a number of royal projects that would be carried on by royal family members.