Khorgo Uul is a dormant volcano in the Taryatu Chulutu volcanic field in the Tariat district in the Arkhangai Province of Mongolia. Khorgo lies east of the Terkhiin Tsagaan lake and together they are the core of the Khorgo Terkhiin Tsagaan Nuur National Park. This 200m-tall extinct volcano dominates the area to the east of the lake. From its west side there are stairs leading up to the rim of the crater.
