| Longwangtang Reservoir | |
| Location Map: | China |
| Location: | Guanfang Village, Longwangtang Street, Lyushunkou District, Dalian City, Liaoning Province |
| Construction Began: | August 1920 |
| Builder: | Japanese |
Longwangtang Reservoir is a reservoir located on Longwang River in Guanfang Village, Longwangtang Street, Lyushunkou District, Dalian City, Liaoning Province.[1] It was built during the Japanese colonial period in Dalian,[2] with construction starting in August 1920 and completed on March 31, 1924.[3] The height of the dam of Longwangtang Reservoir is 33.9 meters and the length is 326.6 meters.[4] On one side of the dam is a 33.9-square-kilometer pond; on the other side is a huge 5,000 square meter garden,[5] the Longwangtang Cherry Blossom Park,[6] with over 3000 trees of cherry blossoms.[7]