Project cas100geo - series of Mystery caches

  • 100 mystery geocaches will create a virtual "100. ČAS 1917" banner.
  • The banner will be on south from Ondrejov.
  • One cache will be for one of czech astronomers.
  • There will be more than 300 astronomical questions with different difficulty.

caches on April 4th, 2017

List of caches, which are created