The Central Illinois Geocaching Association (CIGA) encourages geocaching in central Illinois. Active members are in an area between I-80 and I-70. The club has developed working relationships with other clubs in and outside Illinois. The club's Facebook page has nearly 700 followers, some from elsewhere in Illinois and some from nearby states. Likewise, club members often follow the pages of other groups.
CIGA membership is not required to attend club events. The club welcomes attendance by everyone. New cachers are encouraged to ask questions and meet others who share their interests.
Club meetings rotate bimonthly between Bloomington, Decatur, Champaign, Charleston, Peoria and Springfield. Meeting have been suspended during Covid.
CIGA started in 2004 as a social club. It is a nonprofit organization. It operates informally. Board members are volunteers and receive no pay.
2013 - CIGA hosted MOGA (Midwest Open Geocaching Adventure) at Lake Shelbyville, Shelbyville, IL.
2014 - CIGA celebrated its 10th year as a club. The same year, CIGA hosted a CITO at GeoWoodstock in St. Charles, MO.
2016 - Two central Illinois geocachers, working independently, achieved 100,000 finds, ranking (at that time) fifth and sixth in the world.
The club uses merchandise sales to fund activities. The club sponsors events throughout the year. The major event is a picnic in June. The club provides the meat, grilling and location at no charge.