The Facebook group now has over 40,000 members and their rocks are found daily all over Nelson's county. But did you know just how far Norfolk Rocks has travelled?
Here are just some of the places where the rocks have been hidden or found all over the world.
We can't quite believe how many places they have been!
Have you found/hidden any Norfolk Rocks in an exotic place?
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here