| South Boulder Creek[1] | |
| Source1 Coordinates: | 39.8703°N -105.6917°W |
| Mouth Coordinates: | 40.0342°N -105.2164°W |
| Mouth Elevation: | 5174feet |
South Boulder Creek is a tributary of Boulder Creek in central Colorado in the United States. Its source is near Rogers Pass on the Continental Divide. The stream flows to a confluence with Boulder Creek in northeast Boulder. Gross Dam is located on South Boulder Creek, approximately miles west of Eldorado Springs, Colorado.