Carlin-type hydrothermal gold deposits are typified by large tonnages and high-grades. They are a major source of the worlds gold (~5% of annual global production) (Cline, 2018; Cline et al., 2005; Lepore, 2013). In North America, the majority of Carlin deposits occur in the classic Carlin district of north-central Nevada (Cline et al., 2005; Hofstra and Cline, 2000). Recent exploration has also identified deposits in the Yukon, Canada (Steiner et al., 2018; Tucker et al., 2018).Previous research has shown that individual deposits in Nevada formed at ~0.5 to 3.5 km depth and were the product of hydrothermal fluid flow active on timescales of 104 to 105 years (Cline et al., 2005; Hickey et al., 2014b). However, the overall hydrology of the hydrothermal systems responsible for this deposit type is poorly defined. CITATION: Hickey, K A and Steiner, A, 2019. Hydrological setting and geological controls on hydrothermal fluid flow in Carlin-type gold deposits, in Proceedings PACRIM 2019, pp 201203 (The Australasian Institute of Mining and Metallurgy: Melbourne).