... and a little cruising on Google Earth; appears to be "9-mile Canyon Road", approaching 395.
Behind you is the Golden Trout Wilderness, ahead Owens Valley.
The road changes names a lot; Kennedy Meadows Road, Sherman Pass Road, ...
A VERY little known X-Sierra route between Tioga and Walker Passes.
Thanks for the clue (and yet ANOTHER road I have to check out in person someday)!