《徐霞客游记·游雁宕山日记后》
洼中积着水，形成丛草繁生的地方，视野所到之处，一片青翠碧绿，这就是所说的雁湖。
洼中积水成芜草生之地，青青弥望满眼，视野所及处，所称雁湖也。
Water accumulated in the depressions, forming a place of abundant grass and plants. The scene was full of lush greenery. This was the so-called Yan Lake.