Section 33: Oban to Bundaleer Reservoir Region: Mid North This is a very flat, but unique walk that follows the Freshwater intake channel for Bundaleer Reservoir, only leaving it for a few km to go through Spalding. Walkers will see some fascinating examples of engineering from the early 1900s. View Section 32, North Booborowie Rd to Oban View Section 34, Bundaleer Reservoir to Curnows Hut #Feature not compatible with your browser# Map & GPS Files Map view options View map in full screen format. View full featured Interative Map of the Heysen Trail. Download map data Download GPX file for a GPS unit. Download KML file for Google Earth/Maps. Download full-featured GPX and/or KML files of the Heysen Trail. Mapsheet Mapsheet 4C, Hallett to Spalding Guidebook maps (2006-2014) Southern Guidebook, chapter 6 map 11. chapter 6 map 12. chapter 1 map 1. Re-Routes Re-routes in this section Mapsheet 5A: Bundaleer Reservoir View all Re-routes along the Heysen Trail. Distance Distance 20km Location of Oban Grid Reference 810 882 (281000 6288200 zone 54) Coordinates Latitude: -33.522907 (33° 31' 22.4652")Longitude: 138.642388 (138° 38' 32.5968")View in Google Maps Location of Bundaleer Reservoir Grid Reference 710 957 (271000 6295780 zone 54) Coordinates Latitude: -33.4533314 (33° 27' 11.993")Longitude: 138.536394 (138° 32' 11.0184")View in Google Maps