Torca del Regallon

2015: In 2015, the Ario Caves Project focused their efforts on Torca del Regallon (also known as C4) last visited in 1997. Major leads explored included a sump at around 600m depth thought to connect with upstream 2/7, and a 15m waterfall marking the upstream limit of the master streamway and heading into blank space.

Read more on their discoveries