因与龙须沟形成首尾之势，故取名龙潭湖。

Because it is connected to the Dragon Canal, it got the name Longtan (Dragon Lake).

比较有名的有白云观庙会、地坛庙会、龙潭湖庙会、隆福寺庙会等。

Relatively famous temple fairs are those of the White Cloud temple, the Altar of Earth, Dragon Pool and the temple of Intense Happiness.