This was the final summit for the Joffre enchainment (Tszil>Slalok>Matier>Joffre) that my better half and I completed with two bivi's. We started on the trailhead after lunch after hiking out of Keiths Hut in the morning, making it up to the Tszil-Taylor col for the first bivi. The second bivi was as the start of the south ridge of Joffre. We made it back to the car and to Squamish that evening.