| Lost Creek Glacier | |
| Type: | Mountain glacier |
| Location: | Cascade Range, Lane County, Oregon, U.S. |
| Map: | USA Oregon |
| Label Position: | right |
| Map Size: | 225 |
| Coordinates: | 44.1075°N -121.7836°W |
| Coordinates Ref: | [1] |
| Length: | 2500feet |
| 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 . Lost Creek Glacier is on the northwest slopes of South Sister, a dormant stratovolcano.[2]