Parking coordinates: N 49° 32.490 / E 006° 21.963
N 49° 32.500 / E 006° 21.805
But there are several other possibilities, so parking your car shouldn't be a problem
WP1: N 49° 32.586 / E 006° 22.065
"E" = number of women you can find there divided by 2
"I" = number of dogs you can find there
(picture1)
WP2: N 49° 32.633 / E 006° 22.035
In which year the Mosel reached its highest water-level? "H" = is the last character of the this year. Follow the small street at your right up to the end (at an altitude of about 165 meters), than turn left and go to the ardennes.
(picture2)
WP3: N 49° 32.703 / E 006° 21.862
Take the small street located in the east till you reach the entrance of the labyrinth (picture3).
Follow the labyrinth to WP4.
WP4: N 49° 32.654 / E 006° 21.955
At the given coordinates you will find a number of rusty poles on your right.
Count them all, even those around the corner. The number minus 17 will give you the value for "F".
Follow the labyrinth to its end, the same street you crossed before.
WP5: N 49° 32.588 / E 006° 21.976
Take a look at the number of the house the tunnel belongs to (picture4)
"D" = last character divided by 3
"G" = last character minus 3
Final Cache: N 49° DE.FGH / E 006° EF.HDI
Pay attention, the area could be dangerous!