GALLERY: Porongurup and Stirling ranges
Despite a mere 25km separating these two national parks – much-loved by WA's bushwalkers, climbers and hang-gliders – their geology couldn't be any more different.
Read more about Porongurup and Stirling ranges in the March-April edition of Australian Geographic (AG#137).
Bluff Knoll is the crown-jewel of the Stirling Range – the highest peak in southern WA.
Photo credit: Jiri and Marie Lochman