Ramsagar National Park (Bengali: রামসাগর জাতীয় উদ্যান) is a national park in Bangladesh located at. 25°33'00"N 88°37'30"E Tejpur, near Dinajpur District in the north-west of the country. The Park is 27.76 hectare, in size, and is built around a large water reservoir known as "Ramsagar tank". The lake is 1079m in length and 192.6m in width. The soil is red-yellow clay