Bannock Peak is a mountain summit in the southern section of the Gallatin Range in Yellowstone National Park, in the U.S. state of Wyoming. The peak ranks as the sixth-highest peak in the Gallatin Range. Precipitation runoff from the mountain drains west into headwaters of the Gallatin River and east into Panther Creek which is a tributary of the Gardner River. Topographic relief is significant as the summit rises nearly above Panther Creek in . This mountain's toponym was officially adopted in 1897 by the United States Board on Geographic Names.
Based on the Köppen climate classification, the mountain is located in a subarctic climate zone characterized by long, usually very cold winters, and mild summers. Winter temperatures can drop below 0 ðF with wind chill factors below âÂÂ10 ðF.