Rock climbing is an exhilarating sport that challenges climbers to conquer vertical cliffs using strength, skill, and determination. On July 1, 2023, Jakub Kovář, Jan Martijn van der Werf, José Pedro Gomes, Lisa Mannel, Luis Gomes, Patrizia Schalk, Pedro Martins, Ricardo Teixeira, Robin Bergenthum, and Stefan Liebich attended the 2023 ATPN Rock Climbing activity, held in Serra da Arrábida, Portugal. This activity allows participants to physically challenge themselves while enjoying the natural surroundings. Several reachability problems were successfully solved and completed at the cliffs of the “Fenda” spot, but further work was identified as needed. Further climbing reachability problems were anticipated to be faced during Petri Nets 2024