Over 25m high Ulaantsutgalan (Red flows waterfall) is the biggest waterfall in Mongolia and one of the most attractive destinations on Orkhon river valley, UNISCO World heritage site. It is located 90km from Karakhorum. Its width is about 10m. 
 

The surrounding area of the waterfall was formed by volcanic activities dated back approximately 20,000 years (possibly Quaternary period) When a smaller river named Ulaan (meaning Red) flows into Orkhon River the water drops over the edge with height over 25 and makes the waterfall. This area is covered by over 10m thick lava layer with interesting shapes of bubbles and the smaller waterfalls with 4-5m height, like jijigtsutgalan (means Small Flows), were created around here. Orkhon is longest river in Mongolia with length of 1124 km (709 miles) and formulates by springs at the numerous mouths of Suvraga Khairkhan a peak of Khangai mountain range. 
 

The waterfall become a mark that is on half of its full length of Orkhon River. Flows of Orkhon River created a 130 km long canyon through the lava plateau. The area is ideal for fishing, horse riding, cycling and photography. The rivers have handful species of river fish such as pike sturgeon, hucho taimen, common asp. Siberian grayling roach etc. Scenic and untouched natural distinct spot allow good opportunities for hiking and horseback riding. This valley is known as the home of Mongolian nomadic culture as many of Mongolia’s are common. Because cars cannot drive to in. Trekking tours to Naiman nuur region (Eight Lakers) are always organized from here by the support of locals who hire their trained for transportation for luggage.