| Dünkheger | |
| Elevation M: | 3315 |
| Elevation Ref: | [1] [2] |
| Prominence M: | 2075 |
| Range: | of the Altai Range |
| Listing: | Ultra |
| Location: | China–Mongolia border |
| Map: | Mongolia |
| Relief: | 1 |
| Label Position: | right |
| Coordinates: | 45.1925°N 90.9067°W |
Dünkheger (Mongolian: Дүнхэгэр уул Dungheger ûûl; Chinese: s=冬赫格尔|p=Dōnghègé'ěr|w='''Tung-ho-ko-erh'''), also known as Mount Altun Obo (Mongolian: Altan ôbôô ûûl; Kalmyk; Oirat: Altun oboo uulǝ; Chinese: s=阿同敖包|p=Ātóng Áobāo|w='''A-t'ung-ao-pao'''), is the highest peak of Baitag Bogda (Kalmyk; Oirat: Baitag Bogdǝ uulǝs, Chinese: 北塔山, 拜克达山), a mountain range in the Altai Mountains of Asia. It has an elevation of 3315m (10,876feet)[1] and is on the international border between Qitai County, China and Khovd Province, Mongolia.[3]