|Elevation||747 m (2,451 ft)|
|Coordinates||65°06′24″S 63°56′26″W / 65.10667°S 63.94056°W|
Una Peaks, formerly known as Cape Renard Towers, are two towers of basalt, each topped by a cap of ice, guarding the northern entrance to the Lemaire Channel on the Antarctic Peninsula. With the highest summit at 747 metres (2,451 ft), The formation has been long colloquially known as "Una's Tits". The peaks appear on a British Antarctic Territory stamp although they are not identified as such. The individual towers are referred to as "buttresses".
Una Spivey was the name of a secretary in the governor's office in Stanley, Falkland Islands who was working for what is now the British Antarctic Survey. The tallest tower has only been summited once; this was by a German team in 1999  (Kurt Albert, Stefan Glowacz, Hans Martin Götz, Gerhard Heidorn, Holger Heuber and Jürgen Knappe). 
- ^ a b c John Splettstoesser (2009). Una Peaks: a long overdue Antarctic geographical naming. Polar Record, 45, pp 177-179. doi:10.1017/S0032247408008036. abstract
- ^ USGS Geographic Names Information System, Antarctica Feature Detail: Una Peaks
- ^ American Alpine Club (1998). American Alpine Journal. Seattle, Washington: The Mountaineers Books. p. 136. ISBN 0-930410-78-5.
- ^ a b Rubin, Jeff (2008). Antarctica. Melbourne: Lonely Planet. p. 273. ISBN 978-1-74104-549-9.
- ^ American Alpine Club (1998). American Alpine Journal. Seattle, Washington: The Mountaineers Books. p. 139. ISBN 0-930410-78-5.
- ^ Chloe Jon Paul, Antarctica For All Ages: The Trip of a Lifetime
- ^ Alpinist First Ascent
- Lonely Planet, Antarctica: a Lonely Planet Travel Survival Kit, Oakland, CA: Lonely Planet Publications, 1996, p. 305
- Antarctica. Sydney: Reader's Digest, 1985, pp. 126–127.
- U.S. National Science Foundation, Geographic Names of the Antarctic, Fred G. Alberts, ed. Washington: NSF, 1980.
- "Ship for scale - Una Peaks (747 m), Renard Island, Antarctic Peninsula". Flickr. Jan 26, 2012.