title: Onkaparinga Valley Road
text: # Onkaparinga Valley Road
  
  Onkaparinga Valley Road is a South Australian secondary road, connecting the towns of Birdwood, Woodside, Balhannah and Verdun within the Adelaide Hills. It is designated part of route B34.
  
  ## Major intersections
  
  Onkaparinga Valley Road is entirely contained within the Adelaide Hills Council local government area.
  
  | Location | km | mi | Destinations | Notes |
  | - | - | - | - | - |
  | Birdwood | 0.0 | 0.0 | Torrens Valley Road (B10 east, west/B34 west) – Houghton, Williamstown, Angaston | Northeastern terminus of road, route B34 continues west along Torrens Valley Road |
  | Mount Torrens | 6.4 | 4.0 | Springhead Road (south) – Harrogate Terlinga Road (east) – Tungkillo | |
  | Charleston | 10.1 | 6.3 | Mount Torrens Road (B27) – Magill, Norton Summit, Lobethal | |
  | Woodside | 18.5 | 11.5 | Tiers Road – Lenswood | |
  | Balhannah | 24.9 | 15.5 | Greenhill Road (B26) – Glenside, Uraidla | |
  | Balhannah | 25.1 | 15.6 | Junction Road – Littlehampton | |
  | Verdun | 30.2 | 18.8 | Mount Barker Road (B34) – Aldgate, Hahndorf, Mount Barker | Eastern terminus of road, route B34 continues east along Mount Barker Road |
  | Route transition |||||
  