The immense stone wall Marty is facing is called the Barrier, it was formed by multiple Volcanic eruptions from the three volcanoes surrounding Garibaldi lake. On our way up the first 6km towards Garibaldi lake, we went off course on an unofficial trail, leading up to a lookout at the bottom of the wall. We decided to take a break at that point and take in the view of the snow capped mountains we were facing in the distance. After a few minutes there, we started to hear a faint rumble in the distance. We looked up at the Barrier and noticed something was weird. Upon closer inspection, we realized that a rock fall was under way, and we were standing in a rock field…