This video provides an introduction to the geology and biology of Southern Hydrate Ridge, a key observatory site on the Regional Cabled Array, funded by the National Science Foundation. The video was produced by UW VISIONS’22 undergraduate student Kathryn Whitmer as part of a series of three part series. The video used in these videos was taken with the Canadian Scientific Submersible Facility remotely operated vehicle ROPOS. Credit: UW/NSF-OOI/CSSF; ROPOS, V22.