The lake is oval, with a wider southern end. It covers a total area of 104 hectares (260 acres), with a circumference of 4,400 meters and an average depth of 15 meters. The lake remains unpolluted.
潭面略呈橢圓形，南端較闊，北端較狹，總面積約為一百零四公頃，潭周約四千四百餘公尺，水深平均達十五公尺。