[2] The SWGA's aims are the study and promotion of geology in South Wales.

Activities include field trips during the summer season, and lectures at Swansea or Cardiff University's geology departments during the winter season, as well as support for Rockwatch activities for young people and geological events for the public.

In addition, the South Wales Geologists' Association maintains close links with like-minded organisations such as the Pembrokeshire Coast National Park Authority,[3] the Fforest Fawr Geopark,[4] the Southern Wales regional group of the Geological Society,[5] the Wales & West branch of the Russell Society,[6] and the Cardiff Naturalists' Society.

[7] The SWGA is also supportive of initiatives in geoconservation and geodiversity, in particular through their involvement in the creation of the South East Wales RIGS group.

Publications cater for a range of geological ability and include field guides, geological booklets and guided walks leaflets to areas of interest in South Wales.