Bonny Doon Bike Ride

The Monta Vista Velo club does this ride once per year, typically in late summer or early autumn. The ride starts in Los Altos, goes to the coast via Old La Honda Road, Pescadero Road, and returns via the memorable Pine Flat Road, Empire Grade, China Grade and Highway 9.

Download the Bonny Doon Google Earth route, or view altitude plots from the MVV 2005-09-03 or 2006-10-01 rides.

Distance: 170km

Ascend: 2900m

Route Description:

  • Start in Los Altos at Bicycle Outfitter (map)  near Foothill Expressway and Miramonte Avenue
  • Foothill Expressway (north)
  • Old Page Mill Road
  • Arastradero Road
  • Alpine Road
  • Portola Road
  • Left on Old La Honda Road, climb (5.3km, 390m, 7.4%)
  • Descend West Old La Honda Road
  • Left, descend west on Highway 84
  • Left on Pescadero Road
    • Climb Haskins Hill (2.55km, 178m, 7%)
    • Water stop at Memorial Park, after descent
  • Left on Butano Cut-off, just before town of Pescadero
  • Left (south) on Cloverdale
  • Left (south) on Highway 1
    • Lunch at Davenport (95km mark)
  • Left on Bonny Doon Road and begin climb
  • Straight on Pine Flat Road, continue climb
  • Left on Empire Grade, continue climb
    • Climb tops out at 784m in these stages:
      • Bonny Doon Road to Smith Grade (3.77km, 332m, 8.81%)
      • Then to Ice Cream Grade (3.32km, 147m, 4.43%)
      • Then to Empire Grade (3.55km, 146m, 4.11%)
      • Then to top of climb at 753m (2.3km, 102m, 4.43%)
      • Total to 753m (12.94km, 727m, 5.62%)
  • Right and descend down Jamison Creek Road
    • Water stop at fire station just before Hwy 236 stop sign
  • Left on Highway 236 (Big Basin Way)
  • Right on China Grade
    • This road starts out flat, then climbs (2.15km, 226m, 10.53%)
  • Right on Highway 236
  • Left (east) on Highway 9
    • Climb to Saratoga Gap at 790m (9.66km, 412m, 4.26%)
    • Continue east and descend Highway 9
  • Left on Redwood Gulch
  • Right on Stevens Canyon Road, which changes name to Foothill