A wide range of sedimentary environments developed in areas proximal to the vent following the emplacement of a voluminous, unwelded and highly pumiceous ignimbrite at the close of the 1.8 ka eruption from Taupo Volcanic Centre, New Zealand. Lithofacies indicate that sediments were deposited by debris and hyperconcentrated flows onto the new land surface, and by dilute, turbulent flows in a number of different environments: early streams with shallow, unstable channels, larger braided rivers, meandering rivers, a delta, temporary lakes, and the beach and nearshore areas of the caldera lake. Sediments deposited by debris flows are dominantly pumiceous, but are varied in texture, structure and composition. This variability is the product of differing clast-support mechanisms, source materials, and depositional environments. Hyperconcentrated flows deposited sediments which are compositionally and texturally more diverse, generally better sorted, and with structures which include vague stratification, isolated outsized clasts and lenses of material that is better sorted than the matrix. The earliest fluvial deposits are also texturally and compositionally varied, but are generally immature. These sediments are dominated by planar-tabular cross-bedding, plane lamination, and possible antidune structures. Braided river deposits also show the last two structures, but are dominated by trough cross-bedding. Meandering river sediments are the most mature of all fluvial facies, and have only lower-flow-regime structures. Deposits in temporary lakes and in nearshore parts of the caldera lake are characterized by extensive planar bedding and structures indicating deposition both from rapid lateral input and from suspension fallout. In the caldera lake, reworking by wave action additionally produced rippled sediments in the nearshore areas, while concentrating denser components on the narrow beaches to produce submature, lithic- and crystal-rich deposits. Whereas the higher sediment concentration flows merely redistributed the very poorly sorted source ignimbrite without much sorting, the more dilute, turbulent flows rapidly separated components according to grain size and density. Most of the lower density pumice sand and gravel was removed, with glass shard sand and mud, to low energy depocentres. Deposits in the higher energy environments thus have generally low mud proportions, and show a concentration of the average to high density lithics and crystals which together had formed less than 10 percent of components in the ignimbrite source. The sudden availability of large volumes of highly erodible material, coupled with increased water yield and overland flow due to the destruction of the pre-eruption forests and drainage networks, ensured that this post-eruption increase in the number and type of depocentres was accompanied by a sharp increase in the rate of sediment deposition, to two orders of magnitude greater in some environments.