Actun Tunichil Muknal (ATM) Cave

A combination of jungle trekking and cave exploration within the Tapir Mountain Nature Reserve. The route involves three river crossings, a swim into the cave mouth, and a journey through a massive limestone system containing preserved Maya ceramics and remains. The site is famous for the 'Crystal Maiden', a calcified skeleton. Cameras are strictly prohibited to protect the fragile archaeological site, meaning visitors must rely on official documentation for visual records.

This two-day Patagonia hike leads to Refugio Otto Meiling on the slopes of Cerro Tronador, one of the most prominent peaks in the Bariloche region. The route climbs through coihue and lenga forests before emerging onto a high rocky ridge that culminates at the refuge (1,905m). Positioned between the Castaño Overa and Alerce glaciers, the stay offers a unique opportunity to witness active glacial calving. The trail follows a well-defined path of forest floor and alpine rock, with a final sustained push to reach the rocky spine where the hut perches.