Khuoi Pin Cave is a natural rock cave, located halfway up a limestone mountain in Khuon Ha commune, Khuoi Pin cave is 600 m high above sea level. Khuoi Pin Cave is also known by locals as Wind Cave, because on this high mountain, the wind blows day and night, sucking into the mouth of the cave to create melodious sounds. The way to the cave has 2 stone door slots. The cave has six compartments divided into two branches about 40 m high, about 300 m wide at its widest, about 500 m deep, over 100 m at the highest point with hundreds of small niches; In the cave, there are more than 10 giant stalactite columns, standing like columns supporting the cave's arch. The deeper you enter, the wider and higher the cave, the more airy, the cave also has many beautiful stalactites with different shapes to create a sacred feeling, many stalactites are covered from top to bottom with countless stalactites emerging from the ground. , on the arch of the cave falling down to form flower curtains, collapsing stones, human figures, animals images Long, Ly, Quy, phoenix ... millions of years old make this place more mysterious and sacred. The underground water on the dome of the cave has trickled down over millions of years, creating unique colorful heart-shaped stalactites and stalagmites, flowers, wine bottles, thrones, bamboo shoots in high and low layers. and beautiful reliefs that nature created. People here still tell each other, if anyone gets these drops of water on them, they will have a lot of luck. Therefore, many people come here to not only admire the beautiful scenery, but also expect to receive good things. Over millions of years, nature has painstakingly sharpened Khuoi Pin cave to become a lyrical and poetic stone sculpture masterpiece. From the cave wall, hundreds of lines of stalactites spread throughout the space like a pristine relief with the ingenious arrangement of the Creator. With attractive landscape, fairy beauty, cool fresh air, Khuoi Pin cave has become a famous scenic spot in the region, an ideal destination for tourists who love to explore. This place has been and is a tourist attraction to admire the beauty of the special national scenic spot Na Hang - Lam Binh.