| Isabelle Glacier | |
| Type: | Mountain glacier |
| Location: | Boulder County, Colorado, United States |
| Map: | USA Colorado |
| Label Position: | right |
| Map Size: | 225 |
| Coordinates: | 40.0633°N -105.645°W |
| Coordinates Ref: | [1] |
| Length: | 0.15miles and 0.3miles wide |
| Terminus: | Talus/proglacial lake |
| Status: | Retreating |
Isabelle Glacier is an alpine glacier located 0.28miles northeast of Apache Peak and 0.25miles southwest of Shoshoni Peak, in Roosevelt National Forest in the US state of Colorado.[2] The glacier is immediately east of the Continental Divide on the opposite side of the divide from Fair Glacier. Isabelle Glacier is the source of the South Saint Vrain Creek and can be reach by trail and is a 8.4miles round-trip hike from the trailhead.[3]