Find Thirty.
A series of hides placed throughout the Neerabup national park. There is nothing fancy or spectacular about any of these hides except the oppurtunity to claim a smile or 2 and brisk walk through the bush to get the body moving.
You are looking for a bison tube, hidden about chest height in a tree (as seen in photo gallery) just off the limestone track
A pen will be required for signing duties
And remeber try and find thirty each day