| Hayden Mountain Summit | |
| Elevation Ft: | 4705 |
| Location: | Klamath County, Oregon, United States |
| Range: | Siskiyou Mountains |
| Coordinates: | 42.1171°N -122.11°W |
| Topo: | Chicken Hills |
Hayden Mountain Summit (el. 4705 ft.) is a mountain pass in the U.S. state of Oregon traversed by Oregon Route 66.