Portswood Tunnel
The tunnel next to the Ulundi parking garage in the Victoria & Alfred Waterfront was built to move stone from the quarry to the breakwater for building the harbour.

Entrance to the Portswood Tunnel in the Victoria & Alfred Waterfront (photo: QVRP, Creative Commons license)
Coordinates:
- Decimal degrees: -33.905492 (Latitude) 18.419089 (Longitude)
- Degrees, Minutes & Seconds: S33 54 19 (Latitude) E18 25 08 (Longitude)
- GPS: S 33 54.330 (Latitude) E 18 25.145 (Longitude)
- UTM: 34S 261364 (X) 6245323 (Y)
... also in the Victoria & Alfred Waterfront.
Sources:
- QVRP. 2012. Portswood Tunnel. QVRP.
- Wikipedia, The Free Encyclopedia. 2012. Sv. 'Port of Cape Town'. http://en.wikipedia.org/wiki/Port_of_Cape_Town (accessed 23 December 2012).