| East Fork Williams Fork[1] | |
| Source1 Location: | Devils Causeway |
| Source1 Coordinates: | 40.0408°N -107.1639°W |
| Mouth Location: | Confluence with South Fork Williams Fork |
| Mouth Coordinates: | 40.3181°N -107.4108°W |
| Mouth Elevation: | 6558abbr=offNaNabbr=off |
The East Fork Williams Fork is a tributary of the Williams Fork in north central Colorado in the United States. The river merges with the South Fork Williams Fork to form the Williams Fork.[2] Perhaps the most unusual river name in Colorado is the West Fork East Fork Williams Fork, a tributary of the East Fork Williams Fork.