Question: things to do yanchep national park?
Answer: Picnic, picnic, picnic! Yanchep National Park has an abundance of beautiful grassed areas, perfect for a picnic. ... 
Cave Tours. There are daily tours of the incredible limestone formations in the underground caves of Yanchep, which is home to over 600 caves! ... 
Koala spotting. ... 
Did somebody say chocolate? ... 
Walkabout!