Lost Creek Glacier
{{Short description|Glacier in Oregon, United States}}
{{Use mdy dates|date=February 2013}}
{{Infobox glacier
| name = Lost Creek Glacier
| photo =
| photo_caption =
| type = Mountain glacier
| location = Cascade Range, Lane County, Oregon, U.S.
| map = USA Oregon
| map_caption = Location in Oregon
| label_position = right
| map_size = 225
| coordinates = {{coord|44|06|27|N|121|47|01|W|region:US-OR|format=dms|display=inline,title}}
| coordinates_ref = {{cite gnis|id=1145529|name=Lost Creek Glacier|accessdate=2012-07-29}}
| area =
| length = {{convert|2500|ft|abbr=on}}
| thickness =
| terminus = Barren rock
| status = Retreating
}}
Lost Creek Glacier is in the U.S. state of Oregon. The glacier is situated in the Cascade Range at an elevation generally above {{convert|9000|ft}}. Lost Creek Glacier is on the northwest slopes of South Sister, a dormant stratovolcano.{{Cite map|publisher=TopoQwest (United States Geological Survey Maps)|title=South Sister, OR|url=http://www.topoquest.com/map.php?lat=44.10747&lon=-121.78366&datum=nad83&zoom=4|accessdate=2012-07-15}}