Tseten Tashi Cave is located one km from Kyongnosala Alpine Sanctuary in East Sikkim District. It is a natural three storeyed cave, about 20 ft high. There is a passage within the cave, which leads to its top. It was named after a naturalist of Sikkim, who was also the Private Secretary to the Chogyal (King). Tsomgo Lake, Iris Point and Nathula Pass are the nearby interesting destinations.