Gora Ulun (, Mount Ulun) is a mountain in Khabarovsk Krai ( Eastern Siberia), Russia and officially the highest point of the Badzhal Range (ÃÂðôöðÃÂûÃÂÃÂúøù àÃÂõñõÃÂ) with an elevation of .
The Badzhal Range where the peak rises is a mountain chain with a length of approximately 220 kilometers. The mountains are quite deserted and the infrastructure is undeveloped in the area.
The third edition of the Great Soviet Encyclopedia (GSE) listed in 1979 the range with an elevation of , no name was mentioned for the highest mountain. The geographic volume of the GSE listed Mount Ulun with an elevation of . After the breakdown of the Soviet Union topographic maps reduced the elevation to 2,221 m.
In 2016, climbers discovered that Gora Korol (óþÃÂð ÃÂþÃÂþûÃÂ, Mount King) might have an elevation of . The next climbing expedition to the highest mountains of the Badzhal reported for Mount King an elevation of and for Mount Queen (óþÃÂð ÃÂþÃÂþûõòð) nearby an elevation of .