三合区在仁怀县北面的群山之中。山中有一如刀削的山岩,名叫“冲水岩”;岩上一挂瀑布从石洞中泻下,足有五丈来高。吐出的水顺着一个上宽下狭的深坑,淌了大约一公里,才落入落水洞里。落水洞是灰白色的,洞口作穹形,少也有三丈宽两丈高,象一只窥伺的猛兽,张着永不知足的巨口,将这里唯一的一股大泉水吞得一干二净。那年代久远的石钟乳和石笋,活象猛兽的利齿,其状甚是险恶。泉水落入洞口后,要在“肚里消化”几天,才能从四十五里以外的马桑岩排入赤水河。为什么四十五里路程要流几天呢?原来里面是一个无穷大的洞。洞有两层,上层干 Sanhe District is in the north of Renhuai County. The mountain has a sharpened rock, called “red rock”; a waterfall hanging from the cave in the diarrhea, enough to have five feet high. Spit the water down a narrow pit on the wide, drip about a kilometer, fell into the water hole. Water hole cave is gray, the hole for the dome, there are also three feet wide Zhangzhang Gao, like a glimpse of the beast, Zhang Yong never know Jukou, will be the only one big spring swallowed completely. Stone age that stalagmites and stalagmites, like a beast of teeth, its shape is very dangerous. Spring water into the hole, it is necessary to “digest” a few days before we can from forty-five miles outside of the Maanshan Chui River. Why forty-five miles to flow a few days? The original inside is an infinite hole. The hole has two layers, the upper stem