Geoweek 2016 is a big event held by geological engineering gadjah mada University one of the event is International Geomapping Competition (IGC). This event held on 1-7 October 2016 in Gadjah Mada University start by opening ceremony, laboratory visited, technical meeting about competition, 3 day mapping and presentation. IGC is the mapping competition for undergraduate in South East Asean that followed by 14 team from Thailand, Malaysia and Indonesia one of representation from AAPG UPN SC. Each team had been mapping for 3 days in Kulonprogo with an area 2 x 2 meter. Then, every team would give 1 day to finish geological map, stratigraphy, geology structure, report, slide presentation and poster. On October, 6th 2016 every team presented poster, power point and the result of mapping to 3 professional judges and in the evening was closing ceremony and announcement of winners. Although AAPG UPN SC’s team didn’t being a champion but we kept happy because have new friends came from another student chapter.