The Whittlesea Puzzles for Beginners geoart is designed for cachers who are new to puzzle solving. In this series, we explore a number of common puzzle solving techniques and highlight some online resources. These beginner puzzles will help get you started in tackling those mysteries on your geomap, and hopefully boost your confidence to tackle more.

Many of the online puzzle solving tools can be found on the following page: Puzzle Resources.

Don't forget to collect the clues inside the cache for the bonus puzzle - GC9Z4DN - Whittlesea Puzzles for Beginners - Bonus Cache.

The cache is NOT at the posted coordinates. To obtain the coordinates, solve the puzzle below.

Puzzle #05: Bringing Brightness to Life

Changing various levels of brightness, contrast, alpha channel or colour depth within an image may reveal hidden information.

There are quite a few online websites available if you do not have photoshop, such as Gimp (for Windows, Mac and Linux) and Lunapic

The Puzzle

Lunapic is a good basic website to use for this puzzle.

Upload your image

Click on Adjust > Adjust Light Levels in the toolbar

Play around with the sliders and see what happens

S37 33.XXX E145 09.XXX

We have chosen locations for caches where it is safe to pull off the road within a short distance of GZ. Under NO circumstance should driveways and gates be blocked or used for parking. With nearby property owners in mind, these geocaches have been placed out of view and away from private residences, so as not to cause alarm. Please be mindful of the local community, and have a friendly chat with them if they stop by.