Over the lake lies a 3-hectare island and the highest point of the island is more than 23m, which is home to different kinds of birds. To the west and southwest of the lake stands Than Lan Mountain. Atop the mountain, one can get a panoramic view of the lake. Many enchanting artificial beaches line along the clear and blue water, under the foot of different hills.

Dai Lai constitutes a holiday resort for Vinh Phuc Province and its neighborhood. Dai Lai is blessed with a favorable climate, cool summers and warm winters. Fascinating extras comprise natural landscapes of stunning beauty. In its vicinity, the Ngoc Thanh Forest covers 500ha of natural forests and 300ha of newly grown ones, sheltering a diversified flora and fauna. The alluring Dai Lai is attracting more and more holiday-makers.