A multifunction hydration container accessory system having (comprising) a hydration container of generally cylindrical shape having a planar bottom surface with bottom edges and having a top for filling and dispensing hydration liquids and having (comprising) an accessory system housing of generally cylindrical shape having a first end for attaching to the hydration container planar bottom and having a second end for holding a plurality container accessories such as a compass, safety signal reflective material and container storage module.