Mount Hesperus is a prominent mountain located in the {Sentinel Range} of the {Ellsworth Mountains} in {Antarctica}. It rises to an elevation of 4,250 meters (13,944 feet) and is known for its rugged terrain and striking appearance. The mountain is named after the evening star, Hesperus, reflecting its visibility in the polar night. The mountain is part of a remote and harsh environment, characterized by extreme cold and ice coverage. It is primarily composed of granite and is surrounded by glaciers, making it a challenging destination for climbers and researchers. Mount Hesperus is significant for scientific studies related to geology and climate change in polar regions.