《徐霞客游记·滇游日记二十四》
龟和蛇交错盘踞在一岛之间，四周有九个沸泉腾溢的洞穴，而龟口向东南，蛇口向东北，都张着口喷吐沸泉，泉水在湖内交流环溢。
龟与蛇交盘于一阜之间，四旁沸泉腾溢者九穴，而龟之口向东南，蛇之口向东北，皆张吻吐沸，交流环溢于重湖之内。
Turtle and snake intertwine and coil, upon the straits between islands, everywhere with nine boiling springs where vapors rise. The turtle's mouth faces southeast and the serpent's mouth faces northeast; and each one opens its mouth to exhale boiling springs; the springs bubble amidst the lake water and surge to and fro.