| Hanover Mountain | |
| Location: | West Shokan, New York, U.S. |
| Coordinates: | 41.8983°N -74.345°W |
| Coordinates Ref: | [1] |
| Topo: | USGS West Shokan |
| Map: | New York#USA |
Big Rosy Bone Knob is a mountain located in the Catskill Mountains of New York southwest of West Shokan. Little Rocky is located north-northeast, and Steiny Hill is located south of Big Rosy Bone Knob.