This is a series of puzzle caches based upon the UCI World Tour. Each puzzle builds on the next and they will get increasingly more challenging as you progress through the series. The puzzles will lead to a trail of caches along official cycle routes and therefore are best done by bike. The caches are small and will not contain swaps but could cope with a small TB or geocoin.
The 2015 Tour de France included a cobbled stage with several sectors of pavee, some of which regularly feature in the The Hell of The North, Paris-Roubaix. There was a road sign on the route attached to a rather ornate brick building not far from one sector. There are five towns signed. The second is Les Quesnoy and is AB kms. The third is Le Cateaux and it is AC kms.The fourth is Landrecies and is AD kms. The last is St. Quentin and is B0 kms.
Subtract (B-C)(D-A) from the Northing for stage 25.
Subtract A(D/C)(A+B) from the Westing for stage 25.
You can validate your puzzle solution with certitude.
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