Suan Luang Rama XI was constructed with full cooperation from BMA. Constructed on a vacant land of BMA at Nong Bon, where have potential to develop to be flood control reservior to store the excess water and release it gradually to the natural water body. This is the method to solve the flood problem in line with H.M. the King's Royal initiative. The park project started in 1984. However, as some pieces of land were private properties, the exchange of land was made; some pieces were donated. Finally, 80 hectares of land were made available for the construction of city park. The transformation of the vacant lowland filled with holes, grass land and paddy fields into the perfectly beautiful park was happened. This magnificent park reflects the power of love, great faith, respect and the harmony of Thai people towards H.M. the King. Certainly, this great work is a heritage to next generations.