To celebrate 20 years of Geocaching, and the new Challenge attribute addition, here is a new challenge cache.
Cache is at the posted coordinates. You can search for it and sign the logbook anytime, however to log it as found you need to meet the requirements described below.
To log this cache as found, meet all 20 of these requirements:
- Find at least 1 cache hidden in year 2001
- Find at least 2 caches hidden in year 2002
- Find at least 3 caches hidden in year 2003
- Find at least 4 caches hidden in year 2004
- Find at least 5 caches hidden in year 2005
- Find at least 6 caches hidden in year 2006
- Find at least 7 caches hidden in year 2007
- Find at least 8 caches hidden in year 2008
- Find at least 9 caches hidden in year 2009
- Find at least 10 caches hidden in year 2010
- Find at least 11 caches hidden in year 2011
- Find at least 12 caches hidden in year 2012
- Find at least 13 caches hidden in year 2013
- Find at least 14 caches hidden in year 2014
- Find at least 15 caches hidden in year 2015
- Find at least 16 caches hidden in year 2016
- Find at least 17 caches hidden in year 2017
- Find at least 18 caches hidden in year 2018
- Find at least 19 caches hidden in year 2019
- Find at least 20 caches hidden in year 2020
You can check if you meet the requirements using the checker below.

Cache is a preform container and includes only a logbook and a pencil.