Haystack Rock, Cannon Beach, Oregon Hahaha! Now, there's a rock! I guess I've already 'found' that one, since I have a pic of it! lol! What? You don't know what Rock Stashing is? Rock stashing is a fun outdoor activity that combines elements of orienteering, letterboxing, earth caching, and old fashioned treasure hunting. It is easy to get started. 'Stashing is inexpensive, family-friendly, healthy, and best of all it is environmentally safe. It's a lot like letterboxing, except instead of hiding boxes, we hide rocks. Environmentally friendly, beautiful rocks. You can paint them (with non-toxic, environmentally-safe paint), or if you aren't the artistic type, just leave a particularly noteworthy rock for others to find. Perhaps it's uniquely shaped, or a rare type of rock for the area. In urban areas, if you paint the rock, it should only be on the bottom side of the rock so others will not discover it by accident. The rocks can survive many cond...