Mount Cloos () is a dome-shaped mountain probably over high, standing at the north side of Girard Bay and northeast of Cape Cloos, on the northwest coast of Kyiv Peninsula in Graham Land. It was discovered by the Belgian Antarctic Expedition of 1897âÂÂ99 under Gerlache. It was named in association with Cape Cloos by the French Antarctic Expedition of 1908âÂÂ10 under Jean-Baptiste Charcot.