Jumbo Hut was built in 1981 - 1982 by the NZFS to replace Angle Knob Hut which had been blown off it's foundation in May, 1980. It was upgraded in 1993, & again in 2010 with new cladding & in 2018 with tie-downs. See https://tarhc.org.nz/doc-huts/jumbo-hut/ Edit Hut