Upper Weeks Falls is a 5m high, 15m wide terraced curtain falls located on Fairchild Creek. It takes its name from the Weeks family who own the property on which it is located.
| Location | 80°10'56.305"W 43°15'30.794"N |
| Park | None |
| Watercourse | Fairchild Creek |
| Form | Complex Classic Cascade |
| Flow | Year Round |
| Crest Restriction : Access | Private : Unknown |
| Foot Restriction : Access | Private : Unknown |
| Height : Width (m) | 5.00 : 15.00 |
| Height : Width (ft) | 16 : 49 |
| Authority / Owner | Unknown |