Gasa Dzong is located at an elevation of about 2800m. The Dzong was said have built by Zhabdrung Nawang Namgyal in 1640s above the cave meditated by a Tibetan saint Terkhungpa. It has a great hitorial, cultural and spiritual significance. Just below is the “la Tsho” literally meaning soul-lake. The lake is an important part of the history of the Dzong. Local belief has it that Gomo, the guardian of the Dzong emerged from this lake in the form a snake and held bound the Dzong when Tibetans attacked the Dzong with fire arms in the 16th century. The lake surrounding was developed and named as Eto Meto Garden and was inaugurated by Honourable Agriculture Minister, Dr. Pema Jamtsho on June 2, 2012 to commemorate the Coronation Day of Fourth Druk Gyalpo, Jigme Singye Wangchuck. About four species of Rhododnedron plants currently being planted around the lake in addition to tree species such as Juniper, Cypress, Willow, Oak and Magnolia. The lake is also for winter birds such as Black tailed crake and ducks in addition to resident fishes confined in the lake.

Every year visitors coming to the Dzong and local communities go around the lake to enjoy the scenery and movement of the fishes in the lake. With increasing visitors and local population in Gasa, there is a need to extend and improve the area with proper landscaping so that the visitors can enjoy and appreciate the beauty and historical importance of the lake.