Margaret River

Coastal hiking trails, such as the Cape to Cape Track, extend for over 100KM around Margaret River

Bicycle Tours

Run from perth a few times a year. australia by bike (http://www.australiabybik...) runs fully catered, food and 5 star accommodation tours from perth wa. this is a great way to see the area without leaving a carbon footprint behind.

Swimming

Surfing

Horse riding

Paint balling

See: Pemberton & Nannup