[wjk_glynn]

Added the following to the top post...

East Bay

• Calaveras Rd - https://goo.gl/maps/FoigDtGTUaT2 (road closed at the time of writing, can't generate a proper Google Maps URL)
  • Recommended by derbo, with additional comments here
• Altamont Pass Rd - https://goo.gl/maps/u8oVjC7oeYk (~8 miles)
  • Recommended by ylk1
• Patterson Pass Rd - https://goo.gl/maps/6si4Hpijfov (~9 miles)
  • Recommended by ylk1
• Tesla Rd - https://goo.gl/maps/wfuJeXuA7d22 (~16 miles)
  • Recommended by ylk1

Santa Cruz Mountains & County

• Felton Empire Rd - https://goo.gl/maps/fHcAcU1Wo4y (~3 miles)
  • Recommended by ylk1
• Run up from Hwy-1 to Bonny Doon, over to Felton, up Hwy-9 to Saratoga - https://goo.gl/maps/7RMCUFudtYT2 (~41 miles)
  • Recommended by ylk1

Points further away from the SF Bay Area

• North
  • CA-36 & CA-3, west of Platina - https://goo.gl/maps/sQ1jGtbEFEG2 (~52 miles)
    • Recommended by ylk1
  • Piercy to Rockport (north of Fort Bragg) - https://goo.gl/maps/zwkrWDTMk1P2 (~29 miles)
    • Recommended by ylk1
  • Longvale to Dos Rios - https://goo.gl/maps/XJY5FK5xSNL2 (~16 miles)
    • Recommended by ylk1
• East
  • Parts of the CA-49 Golden Chain Highway
    • Coulterville to Bagby - https://goo.gl/maps/oQUSDvrhMXr (~10 miles)
      • Recommended by ylk1
    • Downieville to Sattley - https://goo.gl/maps/GZSxTA7HVjE2 (~31 miles)
      • Recommended by ylk1
  • CA-89 in the Eastern Sierra - https://goo.gl/maps/LsmpDkpF6av (~17 miles)
    • Recommended by ylk1
  • Pine Creek Rd - https://goo.gl/maps/aEAAZR6VzMP2 (~7 miles)
    • Recommended by ylk1, and shown in Motortrend's Ferrari GTC4 Lusso video - YouTube
  • Zurich to Deep Springs on CA-168 - https://goo.gl/maps/fdwieXPsdZM2 (~25 miles)
    • Recommended by ylk1
• South
  • Ventucopa to Ojai on CA-33 - https://goo.gl/maps/aAJisLRkW1K2 (~46 miles)
    • Recommended by ylk1, noting that it's "Probably the single best road in California"
    • Also featured on Jalopnik's "This Is America’s Greatest Secret Road" - YouTube
  • Horseshoe meadow Rd - https://goo.gl/maps/aXFcwoxMKF32 (~8 miles)
    • Recommended by ylk1, and mentioned in Everyday Driver's midship shootout - YouTube
  • 9 Mile canyon Rd - https://goo.gl/maps/UrecnyPzKNJ2 (~9 miles)
    • Recommended by ylk1

Karl.