A waterfall in grassland country
Much of central Mongolia is rolling grassland, so a waterfall can come as a surprise. The Orkhon Waterfall, often known by the Mongolian name Ulaan Tsutgalan (“red cascade”), lies in the upper valley of the Orkhon River, in the Khangai foothills of Uvurkhangai province. The river runs through open steppe and then drops into a narrow gorge, where the water falls over a steep step in the rock. The drop is usually described as being on the order of 20 meters, and the gorge walls are somewhat deeper than that. Different sources give slightly different figures, and the flow varies by season.
The falls are one stop in the broader area described in the Orkhon Valley article, which also covers the valley’s historical sites, and the river is one of the main tributaries in the Selenge system.
How lava shaped the gorge
The key to the landscape is volcanic. In the Khangai region, there is evidence of past volcanic activity, with lava flows spreading across the land in geologically recent periods. The details of dating are for geologists to confirm and sources differ, but the general idea is widely described: molten rock from vents in the area flowed down existing valleys, cooling into dark basalt.
Lava flows can change a river’s path in several ways:
- A flow may fill a valley, forcing the river to find a new course or carve a fresh channel beside or through the hardened rock.
- Basalt cools and cracks into columns and blocks, which water can later erode and undercut.
- Where hard rock lies over softer material, a river tends to cut downward at the edge, forming a step or waterfall.
Together, these processes created the gorge and the falls. The dark, fractured rock walls along the Orkhon gorge are a common sight, and visitors often notice the contrast between the black basalt and the green surrounding pasture. It is one of several kinds of terrain described in the Mongolian landscapes overview.
Volcanic country beyond the falls
The Orkhon area is not the only place with volcanic features in Mongolia. In the same part of the country there are cones, craters and old lava fields, and the Khorgo volcano, near Terkhiin Tsagaan Lake, is a well-known example. That lake was formed when lava is thought to have dammed a river, and the whole area is covered in the article on Terkhiin Tsagaan Lake. The Khangai Mountains themselves are explained in the Khangai article, where the lava story fits into a larger picture of an old, eroded range.
The volcanic activity associated with these features is long past, and visitors are not in danger from eruptions. Still, the rocks are rough and sometimes sharp, and some surfaces can be unstable. Treat lava fields and cliff edges with care.
Seasons at the falls
The waterfall changes dramatically by season.
- Summer brings the highest flow in wet years, along with green pastures and grazing herds. It is also the busiest period.
- Fall is often quieter, with golden grass and cooler nights.
- Winter can freeze the falls into sheets and columns of ice, a striking sight but one that requires cold-weather preparation. See the Mongolian winter article for what conditions are like.
- Spring can bring snowmelt flows, but also mud and slippery tracks.
Flows depend on rainfall and snowmelt, and a dry summer may reduce the falls noticeably. Because conditions are hard to predict, treat photos you see online as examples rather than promises. Ideas for capturing the landscape appear in the landscape photography article.
Visiting safely
Facilities near the falls are often basic, and there is usually a viewing area with stairs or paths leading down into the gorge. Stairs and trails can be steep and slippery, particularly when wet or icy, and some visitors find the climb back up tiring at altitude. A few points:
- Stay on marked paths and keep away from unstable edges.
- Wear shoes with good grip. Smooth soles are risky on wet basalt.
- Supervise children closely, as described in family travel notes.
- Do not leave rubbish or wash in the river upstream of settlements or camps. Rivers are used as drinking water for people and animals.
- Follow Leave No Trace principles.
Roads to the area vary from paved to rough track, so it helps to read about road conditions and to plan with a reliable driver. The gorge is often visited together with other sights in the valley, as in the central Mongolia and Orkhon Valley route.
Cultural context
The Orkhon Valley is of deep historical importance, and sites in the wider area include the old capital of the Mongol Empire, Karakorum, and stone inscriptions from the Turkic period, which are covered in the Orkhon inscriptions article. The waterfall itself is a natural feature rather than a historic monument, though herders have long used the valley for grazing. If you stay at a nearby ger camp or with a family, follow the guidance in the ger etiquette article.
Putting it in perspective
The waterfall is not huge by world standards, and visitors expecting a major cataract may be underwhelmed. What makes it interesting is the setting and the story: a quiet steppe river meeting the dark remains of ancient lava, in a valley rich in history. As with all natural sites, check current access and conditions before you go.