Uly Balkan should not be confused with Balkan Mountains.
| Uly Balkan | |
| Country: | Turkmenistan |
| Highest: | Mount Arlan |
| Elevation M: | 1880 |
| Coordinates: | 39.6667°N 88°W |
| Length Km: | 70 |
| Map: | Turkmenistan |
The Uly Balkan (Turkmen: Uly Balkan dagy, Greater Balkan Mountains), also the Great Balkhan or Greater Balkhan is a mountain range in Turkmenistan, part of the Balkhan Ranges. The highest summit is Mount Arlan at 1880m (6,170feet).