| Terror Glacier | |
| Type: | Cirque glacier |
| Location: | Whatcom County, Washington, U.S. |
| Map: | USA Washington |
| Label Position: | right |
| Map Size: | 225 |
| Coordinates: | 48.7664°N -121.2886°W |
| Coordinates Ref: | [1] |
| Length: | 0.4miles |
| Terminus: | Barren rock |
| Status: | Retreating |
Terror Glacier is in North Cascades National Park in the U.S. state of Washington, on south slope of Mount Degenhardt. Mount Terror is 0.25miles to the northwest.[2] The precipitous McMillan Spire is to the immediate northeast.